1.Rosenthal NE, Genhart MJ, Sack DA, Skwerer RG, Wehr TA. Seasonal affective disorder: relevance for treatment and research of bulimia. In: Hudson JJ, Pope HG. The Psychology of Bulimia. Washington, DC: American Psychiatric Association; 1987:205–228.
2.Rosenthal NE, Sack DA, Gillin JC, et al.Seasonal affective disorder. A description of the syndrome and preliminary findings with light therapy. Arch Gen Psychiatry. 1984;41:72–80.
3.Partonen T, Magnusson A. Seasonal Affective Disorder: Practice and Research. Oxford, UK: Oxford University Press; 2001.
4.Kasper S, Rogers SL, Yancey A, Schulz PM, Skwerer RG, Rosenthal NE. Phototherapy in individuals with and without subsyndromal seasonal affective disorder. Arch Gen Psychiatry. 1989;46:837–844.
5.Diagnostic and Statistical Manual of Mental Disorders. 3rd ed. rev. Washington, DC: American Psychiatric Association; 1987.
6.Diagnostic and Statistical Manual of Mental Disorders. 4th ed. Washington, DC: American Psychiatric Association; 1994.
7.International Classification of Diseases. 10th ed. Geneva, Switzerland; 1994.
8.Winkler D, Willeit M, Praschak-Rieder N, et al.Changes of clinical pattern in seasonal affective disorder (SAD) over time in a German-speaking sample. Eur Arch Psychiatry Clin Neurosci. 2002;252:54–62.
9.Lam RW, Buchanan A, Remick RA. Seasonal affective disorder—a Canadian sample. Ann Clin Psychiatry. 1989;1:241–245.
10.Tam EM, Lam RW, Robertson HA, Stewart JN, Yatham LN, Zis AP. Atypical depressive symptoms in seasonal and non-seasonal mood disorders. J Affect Disord. 1997;44:39–44.
11.Young MA, Watel LG, Lahmeyer HW, Eastman CI. The temporal onset of individual symptoms in winter depression: differentiating underlying mechanisms. J Affect Disord. 1991;22:191–197.
12.Allen JM, Lam RW, Remick RA, Sadovnick AD. Depressive symptoms and family history in seasonal and nonseasonal mood disorders. Am J Psychiatry. 1993;150:443–448.
13.Stamenkovic M, Aschauer HN, Riederer F, et al.Study of family history in seasonal affective disorder. Neuropsychobiology. 2001;44:65–69.
14.Swedo SE, Allen AJ, Glod CA, et al.A controlled trial of light therapy for the treatment of pediatric seasonal affective disorder. J Am Acad Child Adolesc Psychiatry. 1997;36:816–821.
15.Schlager D, Froom J, Jaffe A. Winter depression and functional impairment among ambulatory primary care patients. Compr Psychiatry. 1995;36:18–24.
16.Lingjaerde O, Regine Foreland A. Characteristics of patients with otherwise typical winter depression, but with incomplete summer remission. J Affect Disord. 1999;53:91–94.
17.Lingjaerde O, Reichbom-Kjennerud T. Characteristics of winter depression in the Oslo area (60 degrees N). Acta Psychiatr Scand. 1993;88:111–120.
18.Partonen T, Rosenthal NE. Symptoms and course of illness. In: Partonen T, Magnusson A, eds. Seasonal Affective Disorder, Practice and Research. Oxford, England: Oxford University Press; 2001:11–18.
19.Thompson C, Isaacs G. Seasonal affective disorder—a British sample. Symptomatology in relation to mode of referral and diagnostic subtype. J Affect Disord. 1988;14:1–11.
20.Wirz-Justice A, Bucheli C, Graw P, Kielholz P, Fisch HU, Woggon B. Light treatment of seasonal affective disorder in Switzerland. Acta Psychiatr Scand. 1986;74:193–204.
21.Thompson C, Raheja SK, King EA. A follow-up study of seasonal affective disorder. Br J Psychiatry. 1995;167:380–384.
22.Schwartz PJ, Brown C, Wehr TA, Rosenthal NE. Winter seasonal affective disorder: a follow-up study of the first 59 patients of the National Institute of Mental Health seasonal studies program. Am J Psychiatry. 1996;153:1028–1036.
23.Sakamoto K, Nakadaira S, Kamo K, Tomitaka S, Kamo T. Long-term course of seasonal affective disorders: a preliminary report. Jpn J Psychiatry Neurol. 1993;47:470–472.
24.Sakamoto K, Nakadaira S, Kamo K, Kamo T, Takahashi K. A longitudinal follow-up study of seasonal affective disorder. Am J Psychiatry. 1995;152:862–868.
25.Leonhardt G, Wirz-Justice A, Krauchi K, Graw P, Wunder D, Haug HJ. Long-term follow-up of depression in seasonal affective disorder. Compr Psychiatry. 1994;35:457–464.
26.Graw P, Gisin B, Wirz-Justice A. Follow-up study of seasonal affective disorder in switzerland. Psychopathology. 1997;30:208–214.
27.Lam RW, Solyom L, Tompkins A. Seasonal mood symptoms in bulimia nervosa and seasonal affective disorder. Compr Psychiatry. 1991;32:552–558.
28.Berman K, Lam RW, Goldner EM. Eating attitudes in seasonal affective disorder and bulimia nervosa. J Affect Disord. 1993;29:219–225.
29.Kräuchi K, Reich S, Wirz-Justice A. Eating style in seasonal affective disorder: Who will gain weight in winter? Compr Psychiatry. 1997;38:80–87.
30.Rosenthal NE, Genhart MJ, Caballero B, et al.Psychobiological effects of carbohydrate- and protein-rich meals in patients with seasonal affective disorder and normal controls. Biol Psychiatry. 1989;25:1029–1040.
31.Arbisi PA, Levine AS, Nerenberg J, Wolf J. Seasonal alteration in taste detection and recognition threshold in seasonal affective disorder: the proximate source of carbohydrate craving. Psychiatry Res. 1996;59:171–182.
32.Gaist PA, Obarzanek E, Skwerer RG, Duncan CC, Shultz PM, Rosenthal NE. Effects of bright light on resting metabolic rate in patients with seasonal affective disorder and control subjects. Biol Psychiatry. 1990;28:989–996.
33.Levitt AJ, Joffe RT, Brecher D, MacDonald C. Anxiety disorders and anxiety symptoms in a clinic sample of seasonal and non-seasonal depressives. J Affect Disord. 1993;28:51–56.
34.Magnusson A. An overview of epidemiological studies on seasonal affective disorder. Acta Psychiatr Scand. 2000;101:176–184.
35.Magnusson A. Acclimatization. In: Partonen T, Magnusson A, eds. Seasonal Affective Disorder, Practice and Research. Oxford, UK: Oxford University Press; 2001:47–54.
36.Mersch PP. Prevalence from population surveys. In: Partonen T, Magnusson A, eds. Seasonal Affective Disorder, Practice and Research. Oxford, UK: Oxford University Press; 2001:121–140.
37.Wehr TA, Rosenthal NE. Seasonality and affective illness. Am J Psychiatry. 1989;146:829–839.
38.Thompson C. Seasonality in depression. In: Thompson C, Silverstone T, eds. Seasonal Affective Disorder. London, England: CNS Publishers; 1989:1–19.
39.Carney P, Fitzgerald C, Monaghan C. Seasonal variations in mania. In: Thompson C, Silverstone T, eds. Seasonal Affective Disorder. London: CNS publishers; 1989:19–29,
40.Eastwood MR, Peter AM. Epidemiology and seasonal affective disorder. Psychol Med. 1988;18:799–806.
41.Rosenthal NE, Genhart M, Jacobsen FM, Skwerer RG, Wehr TA. Disturbances of appetite and weight regulation in seasonal affective disorder. Ann N Y Acad Sci. 1987;499:216–230.
42.Kasper S, Wehr TA, Bartko JJ, Gaist PA, Rosenthal NE. Epidemiological findings of seasonal changes in mood and behavior. A telephone survey of Montgomery County, Maryland. Arch Gen Psychiatry. 1989;46:823–833.
43.Rosen LN, Targum SD, Terman M, et al.Prevalence of seasonal affective disorder at four latitudes. Psychiatry Res. 1990;31:131–144.
44.Booker JM, Hellekson CJ, Putilov AA, Danilenko KV. Seasonal depression and sleep disturbances in Alaska and Siberia: a pilot study. Arctic Med Res. 1991;(suppl):281–284.
45.Booker JM, Hellekson CJ. Seasonal depression and sleep disturbances in Alaska and Siberia: a pilot study. Am J Psychiatry. 1992;149:1176–1182.
46.Ito A, Ichihara M, Hisanaga N, et al.Prevalence of seasonal mood changes in low latitude area: Seasonal Pattern Assessment Questionnaire score of Quezon City workers. Jpn J Psychiatry Neurol. 1992;46:249.
47.Magnusson A, Stefansson JG. Prevalence of seasonal affective disorder in Iceland. Arch Gen Psychiatry. 1993;50:941–946.
48.Magnusson A, Axelsson J. The prevalence of seasonal affective disorder is low among descendants of Icelandic emigrants in Canada. Arch Gen Psychiatry. 1993;50:947–951.
49.Muscettola G, Barbato G, Ficca G, et al.Seasonality of mood in Italy: role of latitude and sociocultural factors. J Affect Disord. 1995;33:135–139.
50.Mersch PP, Middendorp HM, Bouhuys AL, Beersma DG, van den Hoofdakker RH. The prevalence of seasonal affective disorder in the Netherlands: a prospective and retrospective study of seasonal mood variation in the general population. Biol Psychiatry. 1999;45:1013–1022.
51.Ozaki N, Ono Y, Ito A, Rosenthal NE. Prevalence of seasonal difficulties in mood and behavior among Japanese civil servants. Am J Psychiatry. 1995;152:1225–1227.
52.Levine ME. Seasonal symptoms in the sub-Arctic. Mil Med. 1995;160:110–114.
53.Konradsen H. Seasonal Affective Disorder: An Emperical Study of the Prevalence Among 6300 Young Adults Residing Between 58–70° N [dissertation] [Norwegian]. Tromsø, Norway: University of Tromsø; 1995.
54.Morrissey SA, Raggatt PT, James B, Rogers J. Seasonal affective disorder: some epidemiological findings from a tropical climate. Aust N Z J Psychiatry. 1996;30:579–586.
55.Hegde AL, Woodson H. Prevalence of seasonal changes in mood and behavior during the winter months in central Texas. Psychiatry Res. 1996;62:265–271.
56.Broman JE, Hetta J. Prevalence of seasonal affective disorders and related symptoms at two latitudes in Sweden, Society for Light Treatment and Biological Rhythms Conference Proceedings; 1998. Abstract 228.
57.Dam H, Jakobsen K, Mellerup E. Prevalence of winter depression in Denmark. Acta Psychiatr Scand. 1998;97:1–4.
58.Wirz-Justice A, Graw P, Kräuchi K, Wacker HR. Seasonality in affective disorders in Switzerland. Acta Psychiatr Scand Suppl. 2003;(418):92–95.
59.Elbi H, Noyan A, Korukoglu S, et al.Seasonal affective disorder in eight groups in Turkey: A cross-national perspective. J Affect Disord. 2002;70:77–84.
60.Michalak EE, Wilkinson C, Dowrick C, Wilkinson G. Seasonal affective disorder: prevalence, detection and current treatment in North Wales. Br J Psychiatry. 2001;179:31–34.
61.Rohan KJ, Sigmon ST. Seasonal mood patterns in a northeastern college sample. J Affect Disord. 2000;59:85–96.
62.Han L, Wang K, Cheng Y, Du Z, Rosenthal NE, Primeau F. Summer and winter patterns of seasonality in Chinese college students: a replication. Compr Psychiatry. 2000;41:57–62.
63.Han L, Wang K, Du Z, Cheng Y, Simons JS, Rosenthal NE. Seasonal variations in mood and behavior among Chinese medical students. Am J Psychiatry. 2000;157:133–135.
64.Srisurapanont M, Intaprasert S. Seasonal variations in mood and behaviour: epidemiological findings in the north tropics. J Affect Disord. 1999;54:97–99.
65.McConville C, McQuaid M, McCartney A, Gilmore W. Mood and behaviour problems associated with seasonal changes in Britain and Ireland. Int J Soc Psychiatry. 2002;48:103–114.
66.Parslow RA, Jorm AF, Butterworth P, Jacomb PA, Rodgers B. An examination of seasonality experienced by Australians living in a continental temperate climate zone. J Affect Disord. 2004;80:181–190.
67.Agumadu CO, Yousufi SM, Malik IS, et al.Seasonal variation in mood in African American college students in the Washington, D.C., metropolitan area. Am J Psychiatry. 2004;161:1084–1089.
68.Imai M, Kayukawa Y, Ohta T, Li L, Nakagawa T. Cross-regional survey of seasonal affective disorders in adults and high-school students in Japan. J Affect Disord. 2003;77:127–133.
69.Rosen L, Knudson KH, Fancher P. Prevalence of seasonal affective disorder among U.S. Army soldiers in Alaska. Mil Med. 2002;167:581–584.
70.Haggarty JM, Cernovsky Z, Husni M, Minor K, Kermeen P, Merskey H. Seasonal affective disorder in an Arctic community. Acta Psychiatr Scand. 2002;105:378–384.
71.Sourander A, Koskelainen M, Helenius H. Mood, latitude, and seasonality among adolescents. J Am Acad Child Adolesc Psychiatry. 1999;38:1271–1276.
72.Hardin TA, Wehr TA, Brewerton T, et al.Evaluation of seasonality in six clinical populations and two normal populations. J Psychiatr Res. 1991;25:75–87.
73.Magnusson A, Friis S, Opjordsmoen S. Internal consistency of the Seasonal Pattern Assessment Questionnaire (SPAQ). J Affect Disord. 1997;42:113–116.
74.Young MA, Blodgett C, Reardon A. Measuring seasonality: psychometric properties of the Seasonal Pattern Assessment Questionnaire and the inventory for seasonal variation. Psychiatry Res. 2003;117:75–83.
75.Mersch PP, Vastenburg NC, Meesters Y, et al.Measuring seasonality: psychometric properties of the Seasonal Pattern Assessment Questionnaire and the Inventory for Seasonal Variation. J Affect Disord. 2004;80:209–219.
76.Goikolea JM, Miralles G, Bulbena Cabre A, Vieta E, Bulbena A. Spanish adaptation of the seasonal pattern assessment questionnaire (SPAQ) in the adult and children-adolescent versions. [Spanish]. Actas Esp Psiquiatr. 2003;31:192–198.
77.Lund E, Hansen V. Responses to the Seasonal Pattern Assessment Questionnaire in different seasons. Am J Psychiatry. 2001;158:316–318.
78.Raheja SK, King EA, Thompson C. The Seasonal Pattern Assessment Questionnaire for identifying seasonal affective disorders. J Affect Disord. 1996;41:193–199.
79.Rosenthal NE, Genhart MJ, Sack DA, Skwerer RG, Wehr TA. Seasonal affective disorder: relevance for treatment and research of bulimia. In: Hudson JI, Pope HG, eds. The Psychobiology of Bulimia. Washington, DC: American Psychiatric Press; 1987:205–228.
80.Marriott PF. An assessment of SPAQ and SPAQ+ reliability. Bulletin of the Society for Light Treatment and Biological Rhythms. 1993;5:32.
81.Christensen EM, Larsen JK, Gjerris A. The stability of the Seasonal Pattern Assessment Questionnaire score index over time and the validity compared to classification according to DSM-III-R. J Affect Disord. 2003;74:167–172.
82.Magnusson A. Validation of the Seasonal Pattern Assessment Questionnaire (SPAQ). J Affect Disord. 1996;40:121–129.
83.Eagles JM, Naji SA, Gray DA, Christie J, Beattie JA. Seasonal affective disorder among primary care consulters in January: prevalence and month by month consultation patterns. J Affect Disord. 1998;49:1–8.
84.Murray G. The Seasonal Pattern Assessment Questionnaire as a measure of mood seasonality: a prospective validation study. Psychiatry Res. 2003;120:53–59.
85.Thompson C, Thompson S, Smith R. Prevalence of seasonal affective disorder in primary care; a comparison of the seasonal health questionnaire and the seasonal pattern assessment questionnaire. J Affect Disord. 2004;78:219–226.
86.Thompson C, Stinson D, Fernandez M, Fine J, Isaacs G. A comparison of normal, bipolar and seasonal affective disorder subjects using the Seasonal Pattern Assessment Questionnaire. J Affect Disord. 1988;14:257–264.
87.Suhail K, Cochrane R. Seasonal changes in affective state in samples of Asian and white women. Soc Psychiatry Psychiatr Epidemiol. 1997;32:149–157.
88.Nayyar K, Cochrane R. Seasonal changes in affective state measured prospectively and retrospectively. Br J Psychiatry. 1996;168:627–632.
89.Blazer DG, Kessler RC, Swartz MS. Epidemiology of recurrent major and minor depression with a seasonal pattern. The National Comorbidity Survey. Br J Psychiatry. 1998;172:164–167.
90.Levitt AJ, Boyle MH. The impact of latitude on the prevalence of seasonal depression. Can J Psychiatry. 2002;47:361–367.
91.Eagles JM, Wileman SM, Cameron IM, et al.Seasonal affective disorder among primary care attenders and a community sample in Aberdeen. Br J Psychiatry. 1999;175:472–475.
92.Thompson C, Cowan A. The Seasonal Health Questionnaire: a preliminary validation of a new instrument to screen for seasonal affective disorder. J Affect Disord. 2001;64:89–98.
93.Bromet EJ, Dunn LO, Connell MM, Dew MA, Schulberg HC. Long-term reliability of diagnosing lifetime major depression in a community sample. Arch Gen Psychiatry. 1986;43:435–440.
94.Wicki W, Angst J, Merikangas KR. The Zurich Study. XIV. Epidemiology of seasonal depression. Eur Arch Psychiatry Clin Neurosci. 1992;241:301–306.
95.Lacoste V, Wirz-Justice A. Seasonality in personality dimensions. Psychiatry Res. 1987;21:181–183.
96.Magnusson A, Axelsson J, Karlsson MM, Oskarsson H. Lack of seasonal mood change in the Icelandic population: results of a cross-sectional study. Am J Psychiatry. 2000;157:234–238.
97.Terman M, Botticelli SR, Link BG. Seasonal symptom patterns in New York: patients and population. In: Thompson C, Silverstone T, eds. Seasonal Affective Disorder. London: CNS Publishers; 1989:77–95.
98.Haggag A, Eklund B, Linaker O, Gotestam KG. Seasonal mood variation: an epidemiological study in northern Norway. Acta Psychiatr Scand. 1990;81:141–145.
99.Schlager D, Schwartz JE, Bromet EJ. Seasonal variations of current symptoms in a healthy population. Br J Psychiatry. 1993;163:322–326.
100.Harris S, Dawson-Hughes B. Seasonal mood changes in 250 normal women. Psychiatry Res. 1993;49:77–87.
101.Nayha S, Vaisanen E, Hassi J. Season and mental illness in an Arctic area of northern Finland. Acta Psychiatr Scand Suppl. 1994;377:46–49.
102.Murase S, Murase S, Kitabatake M, Yamauchi T, Mathe AA. Seasonal mood variation among Japanese residents of Stockholm. Acta Psychiatr Scand. 1995;92:51–55.
103.Palinkas LA, Cravalho M, Browner D. Seasonal variation of depressive symptoms in Antarctica. Acta Psychiatr Scand. 1995;91:423–429.
104.Eagles JM, McLeod IH, Douglas AS. Seasonal changes in psychological well-being in an elderly population. Br J Psychiatry. 1997;171:53–55.
105.Genhart MJ, Kelly KA, Coursey RD, Datiles M, Rosenthal NE. Effects of bright light on mood in normal elderly women. Psychiatry Res. 1993;47:87–97.
106.Garvey MJ, Wesner R, Godes M. Comparison of seasonal and nonseasonal affective disorders. Am J Psychiatry. 1988;145:100–102.
107.Kasper S, Kamo T. Seasonality in major depressed inpatients. J Affect Disord. 1990;19:243–248.
108.Faedda GL, Tondo L, Teicher MH, Baldessarini RJ, Gelbard HA, Floris GF. Seasonal mood disorders, patterns of seasonal recurrence in mania and depression. Arch Gen Psychiatry. 1993;50:17–23.
109.Williams RJ, Schmidt GG. Frequency of seasonal affective disorder among individuals seeking treatment at a northern Canadian mental health center. Psychiatry Res. 1993;46:41–45.
110.Sakamoto K, Kamo T, Nakadaira S, Tamura A, Takahashi K. A nationwide survey of seasonal affective disorder at 53 outpatient university clinics in Japan. Acta Psychiatr Scand. 1993;87:258–265.
111.Hakkarainen R, Johansson C, Kieseppa T, et al.Seasonal changes, sleep length and circadian preference among twins with bipolar disorder. BMC Psychiatry. 2003;3:6.
112.Levitan RD, Jain UR, Katzman MA. Seasonal affective symptoms in adults with residual attention-deficit hyperactivity disorder. Compr Psychiatry. 1999;40:261–267.
113.Levitan RD, Masellis M, Basile VS, et al.Polymorphism of the serotonin-2A receptor gene (HTR2A) associated with childhood attention deficit hyperactivity disorder (ADHD) in adult women with seasonal affective disorder. J Affect Disord. 2002;71:229–233.
114.Carskadon MA, Acebo C. Parental reports of seasonal mood and behavior changes in children. J Am Acad Child Adolesc Psychiatry. 1993;32:264–269.
115.Swedo SE, Pleeter JD, Richter DM, et al.Rates of seasonal affective disorder in children and adolescents. Am J Psychiatry. 1995;152:1016–1019.
116.Low KG, Feissner JM. Seasonal affective disorder in college students: prevalence and latitude. J Am Coll Health. 1998;47:135–137.
117.Magnusson A. Light therapy to treat winter depression in adolescents in Iceland. J Psychiatry Neurosci. 1998;23:118–122.
118.Wehr TA, Sack DA, Rosenthal NE. Seasonal affective disorder with summer depression and winter hypomania. Am J Psychiatry. 1987;144:1602–1603.
119.Wehr TA, Giesen HA, Schulz PM, et al.Contrasts between symptoms of summer depression and winter depression. J Affect Disord. 1991;23:173–183.
120.Brewerton TD, Heffeman MM, Rosenthal NE. Psychiatric aspects of the relationship between eating and mood. Nutr Rev. 1986;44:78–88.
121.Kräuchi K, Wirz-Justice A. The four seasons: food intake frequency in seasonal affective disorder in the course of a year. Psychiatry Res. 1988;25:323–338.
122.Fornari VM, Braun DL, Sunday SR, et al.Seasonal patterns in eating disorder subgroups. Compr Psychiatry. 1994;35:450–456.
123.Blouin A, Blouin J, Aubin P, et al.Seasonal patterns of bulimia nervosa. Am J Psychiatry. 1992;149:73–81.
124.Fornari V, Sandberg D, Lachenmeyer J, Cohen D, Matthews M, Montero G. Seasonal variation in bulimia nervosa. Ann NY Acad Sci. 1989;575:509–511.
125.Levitan RD, Kaplan AS, Levitt AJ, Joffe RT. Seasonal fluctuations in mood and eating behavior in bulimia nervosa. Int J Eat Disord. 1994;16:295–299.
126.Lam RW, Goldner EM, Solyom L, Remick RA. A controlled study of light therapy for bulimia nervosa. Am J Psychiatry. 1994;151:744–750.
127.Gruber NP, Dilsaver SC. Bulimia and anorexia nervosa in winter depression: lifetime rates in a clinical sample. J Psychiatry Neurosci. 1996;21:9–12.
128.Yamatsuji M, Yamashita T, Arii I, Taga C, Tatara N, Fukui K. Seasonal variations in eating disorder subtypes in Japan. Int J Eat Disord. 2003;33:71–77.
129.Marriott PF, Greenwood KM, Armstrong SM. Seasonality in panic disorder. J Affect Disord. 1994;31:75–80.
130.Paschane D. Variability of substance abuse. Global variability of substance abuse: is latitude a unique etiological factor? Int J Circumpolar Health, 1998;57:228–238.
131.Yoney TH, Pigott TA, L'Heureux F, Rosenthal NE. Seasonal variation in obsessive-compulsive disorder: preliminary experience with light treatment. Am J Psychiatry. 1991;148:1727–1729.
132.Dilsaver SC, Qamar AB, Del Medico VJ. Secondary social phobia in patients with major depression. Psychiatry Res. 1992;44:33–40.
133.Halle MT, Dilsaver SC. Comorbid panic disorder in patients with winter depression. Am J Psychiatry. 1993;150:1108–1110.
134.Partonen T, Lonnqvist J. The influence of comorbid disorders and of continuation light treatment on remission and recurrence in winter depression. Psychopathology. 1995;28:256–262.
135.Brewerton TD, Krahn DD, Hardin TA, Wehr TA, Rosenthal NE. Findings from the Seasonal Pattern Assessment Questionnaire in patients with eating disorders and control subjects: effects of diagnosis and location. Psychiatry Res. 1994;52:71–84.
136.Anderson J, Mooney J, Peteet J, Meyer S. SPAQ and seasonality in alcohol- or drug-addicted patients: The women are SAD and the men are subsyndromal. Is it a problem? 1995; Society for Light Treatment and Biological Rhythms Conference Proceedings; 1998. Abstract.
137.Reichborn-Kjennerud T, Lingjaerde O, Dahl AA. Personality disorders in patients with winter depression. Acta Psychiatr Scand. 1994;90:413–419.
138.Reichborn-Kjennerud T, Lingjaerde O, Dahl AA. DSM-III-R personality disorders in seasonal affective disorder: change associated with depression. Compr Psychiatry. 1997;38:43–48.
139.Potkin SG, Zetin M, Stamenkovic V, Kripke D, Bunney WE Jr.Seasonal affective disorder: prevalence varies with latitude and climate. Clin Neuropharmacol. 1986;9(suppl 4):181–183.
140.Lingjaerde O, Bratlid T, Hansen T, Gøtestam K. Seasonal affective disorder and midwinter insomnia in the far north: studies of two related chronobiological disorders in Norway. Clin Neuropharmacol 1986;9(suppl 4):189.
141.Partonen T, Partinen M, Lonnqvist J. Frequencies of seasonal major depressive symptoms at high latitudes. Eur Arch Psychiatry Clin Neurosci. 1993;243:189–192.
142.Murray GW, Hay DA. Seasonal affective disorder in Australia: is photoperiod critical? Aust N Z J Psychiatry. 1997;31:279–284.
143.Levitt AJ, Boyle MH, Joffe RT, Baumal Z. Estimated prevalence of the seasonal subtype of major depression in a Canadian community sample. Can J Psychiatry. 2000;45:650–654.
144.Mersch PP, Middendorp HM, Bouhuys AL, Beersma DG, van den Hoofdakker RH. Seasonal affective disorder and latitude: a review of the literature. J Affect Disord. 1999;53:35–48.
145.Okawa M, Shirakawa S, Uchiyama M, et al.Seasonal variation of mood and behaviour in a healthy middle-aged population in Japan. Acta Psychiatr Scand. 1996;94:211–216.
146.Molin J, Mellerup E, Bolwig T, Scheike T, Dam H. The influence of climate on development of winter depression. J Affect Disord. 1996;37:151–155.
147.Christensen EM, Gjerris A, Gjerris C, Larsen JK. Bipolar affective disorder. A retrospective study of 158 patients in a well-defined geographical region [Danish]. Ugeskr Laeger. 1998;160:5353–5357.
148.Young MA, Meaden PM, Fogg LF, Cherin EA, Eastman CI. Which environmental variables are related to the onset of seasonal affective disorder? J Abnorm Psychol. 1997;106:554–562.
149.Madden PA, Heath AC, Rosenthal NE, Martin NG. Seasonal changes in mood and behavior. The role of genetic factors. Arch Gen Psychiatry. 1996;53:47–55.
150.Jang KL, Lam RW, Livesley WJ, Vernon PA. Gender differences in the heritability of seasonal mood change. Psychiatry Res. 1997;70:145–154.
151.Saarijarvi S, Lauerma H, Helenius H, Saarilehto S. Seasonal affective disorders among rural Finns and Lapps. Acta Psychiatr Scand. 1999;99:95–101.
152.Hansen V, Lund E, Smith-Sivertsen T. Self-reported mental distress under the shifting daylight in the high north. Psychol Med. 1998;28:447–452.
153.Suhail K, Cochrane R. Seasonal variations in hospital admissions for affective disorders by gender and ethnicity. Soc Psychiatry Psychiatr Epidemiol. 1998;33:211–217.
154.Axelsson J, Stefansson JG, Magnusson A, Sigvaldason H, Karlsson MM. Seasonal affective disorders: relevance of Icelandic and Icelandic-Canadian evidence to etiologic hypotheses. Can J Psychiatry. 2002;47:153–158.
155.Nilssen O, Brenn T, Hoyer G, Lipton R, Boiko J, Tkatchev A. Self-reported seasonal variation in depression at 78 degree north. The Svalbard Study. Int J Circumpolar Health. 1999;58:14–23.
156.Takahashi K, Asano Y, Kohsaka M, et al.Multi-center study of seasonal affective disorders in Japan. A preliminary report. J Affect Disord. 1991;21:57–65.
157.Eagles JM, Mercer G, Boshier AJ, Jamieson F. Seasonal affective disorder among psychiatric nurses in Aberdeen. J Affect Disord. 1996;37:129–135.