Ahn, SW, Baek, JH, Yang, SY, Kim, Y, Cho, Y, Choi, Y, Lee, K, Park, T and Hong, KS (2017) Long-term response to mood stabilizer treatment and its clinical correlates in patients with bipolar disorders: a retrospective observational study. International Journal of Bipolar Disorders 5, 24.
Akiskal, HS, Azorin, JM and Hantouche, EG (2003 a) Proposed multidimensional structure of mania: beyond the euphoric-dysphoric dichotomy. Journal of Affective Disorders 73, 7–18.
Akiskal, HS, Hantouche, EG and Allilaire, JF (2003 b) Bipolar II with and without cyclothymic temperament: ‘dark’ and ‘sunny’ expressions of soft bipolarity. Journal of Affective Disorders 73, 49–57.
American Psychiatric Association (2000) Diagnostic and Statistical Manual of Mental Disorders, 4th Edition, Text Revision (DSM-IV-TR). Arlington, VA: American Psychiatric Publishing.
Bae, M, Lee, K, Baek, JH, Kim, JS, Cho, Y, Ryu, S, Ha, K and Hong, KS (2014) Lifetime experiences of hypomanic symptoms are associated with delayed and irregular sleep-wake cycle and seasonality in non-clinical adult samples. Comprehensive Psychiatry 55, 1111–1115.
Baek, JH, Park, DY, Choi, J, Kim, JS, Choi, JS, Ha, K, Kwon, JS, Lee, D and Hong, KS (2011) Differences between bipolar I and bipolar II disorders in clinical features, comorbidity, and family history. Journal of Affective Disorders 131, 59–67.
Baek, JH, Eisner, LR and Nierenberg, AA (2014) Epidemiology and course of unipolar mania: results from the national epidemiologic survey on alcohol and related conditions (NESARC). Depression and Anxiety 31, 746–755.
Baek, JH, Kim, JS, Kim, MJ, Ryu, S, Lee, K, Ha, K and Hong, KS (2016) Lifetime characteristics of evening-preference and irregular bed-rise time are associated with lifetime seasonal variation of mood and behavior: comparison between individuals with bipolar disorder and healthy controls. Behavioral Sleep Medicine 14, 155–168.
Bellivier, F, Golmard, JL, Henry, C, Leboyer, M and Schurhoff, F (2001) Admixture analysis of age at onset in bipolar I affective disorder. Archives of General Psychiatry 58, 510–512.
Benazzi, F and Akiskal, HS (2003) The dual factor structure of self-rated MDQ hypomania: energized-activity versus irritable-thought racing. Journal of Affective Disorders 73, 59–64.
Burton, CZ, Ryan, KA, Kamali, M, Marshall, DF, Harrington, G, McInnis, MG and Tso, IF (2018) Psychosis in bipolar disorder: does it represent a more ‘severe’ illness? Bipolar Disorder 20, 18–26.
Charney, AW, Ruderfer, DM, Stahl, EA, Moran, JL, Chambert, K, Belliveau, RA, Forty, L, Gordon-Smith, K, Di Florio, A, Lee, PH, Bromet, EJ, Buckley, PF, Escamilla, MA, Fanous, AH, Fochtmann, LJ, Lehrer, DS, Malaspina, D, Marder, SR, Morley, CP, Nicolini, H, Perkins, DO, Rakofsky, JJ, Rapaport, MH, Medeiros, H, Sobell, JL, Green, EK, Backlund, L, Bergen, SE, Jureus, A, Schalling, M, Lichtenstein, P, Roussos, P, Knowles, JA, Jones, I, Jones, LA, Hultman, CM, Perlis, RH, Purcell, SM, McCarroll, SA, Pato, CN, Pato, MT, Craddock, N, Landen, M, Smoller, JW and Sklar, P (2017) Evidence for genetic heterogeneity between clinical subtypes of bipolar disorder. Translational Psychiatry 7, e993.
Choi, J, Baek, JH, Noh, J, Kim, JS, Choi, JS, Ha, K, Kwon, JS and Hong, KS (2011) Association of seasonality and premenstrual symptoms in bipolar I and bipolar II disorders. Journal of Affective Disorders 129, 313–316.
Coryell, W, Winokur, G, Shea, T, Maser, JD, Endicott, J and Akiskal, HS (1994) The long-term stability of depressive subtypes. American Journal of Psychiatry 151, 199–204.
Dell'Osso, B, Camuri, G, Cremaschi, L, Dobrea, C, Buoli, M, Ketter, TA and Altamura, AC (2017) Lifetime presence of psychotic symptoms in bipolar disorder is associated with less favorable socio-demographic and certain clinical features. Comprehensive Psychiatry 76, 169–176.
Endicott, J, Nee, J, Andreasen, N, Clayton, P, Keller, M and Coryell, W (1985) Bipolar II. Combine or keep separate? Journal of Affective Disorders 8, 17–28.
Faraone, SV, Su, J and Tsuang, MT (2004) A genome-wide scan of symptom dimensions in bipolar disorder pedigrees of adult probands. Journal of Affective Disorders 82(suppl. 1), S71–S78.
Feng, LY, Yu, WJ, Chang, WT, Han, E, Chung, H and Li, JH (2016) Comparison of illegal drug use pattern in Taiwan and Korea from 2006 to 2014. Substance Abuse Treatment, Prevention, and Policy 11, 34.
Geoffroy, PA, Hoertel, N, Etain, B, Bellivier, F, Delorme, R, Limosin, F and Peyre, H (2018) Insomnia and hypersomnia in major depressive episode: prevalence, sociodemographic characteristics and psychiatric comorbidity in a population-based study. Journal of Affective Disorders 226, 132–141.
Gershon, ES, Hamovit, J, Guroff, JJ, Dibble, E, Leckman, JF, Sceery, W, Targum, SD, Nurnberger, JI Jr, Goldin, LR and Bunney, WE Jr (1982) A family study of schizoaffective, bipolar I, bipolar II, unipolar, and normal control probands. Archives of General Psychiatry 39, 1157–1167.
Greenwood, TA, Bipolar Genome Study C and Kelsoe, JR (2013) Genome-wide association study of irritable vs. elated mania suggests genetic differences between clinical subtypes of bipolar disorder. PLoS ONE 8, e53804.
Hamshere, ML, Gordon-Smith, K, Forty, L, Jones, L, Caesar, S, Fraser, C, Hyde, S, Tredget, J, Kirov, G, Jones, I, Craddock, N and Smith, DJ (2009) Age-at-onset in bipolar-I disorder: mixture analysis of 1369 cases identifies three distinct clinical sub-groups. Journal of Affective Disorders 116, 23–29.
Han, O, Ahn, S, Siong, M, Cho, J, Kim, J, Bae, S, Cho, B, Jeon, D, Suh, B, Hahm, D, Lee, J and Park, J (2000) Development of Korean version of structured clinical interview schedule for DSM-IV axis I disorder: interrater reliability. Journal of Korean Neuropsychiatric Association 39, 362–372.
Hanwella, R and de Silva, VA (2011) Signs and symptoms of acute mania: a factor analysis. BMC Psychiatry 11, 137.
Hoertel, N, Le Strat, Y, Angst, J and Dubertret, C (2013) Subthreshold bipolar disorder in a U.S. national representative sample: prevalence, correlates and perspectives for psychiatric nosography. Journal of Affective Disorders 146, 338–347.
Hong, JW, Noh, JH and Kim, DJ (2017) The prevalence of and factors associated with high-risk alcohol consumption in Korean adults: the 2009–2011 Korea National Health and Nutrition Examination Survey. PLoS ONE 12, e0175299.
Insel, T, Cuthbert, B, Garvey, M, Heinssen, R, Pine, DS, Quinn, K, Sanislow, C and Wang, P (2010) Research domain criteria (RDoC): toward a new classification framework for research on mental disorders. American Journal of Psychiatry 167, 748–751.
Joo, EJ, Joo, YH, Hong, JP, Hwang, S, Maeng, SJ, Han, JH, Yang, BH, Lee, YS and Kim, YS (2004) Korean version of the diagnostic interview for genetic studies: validity and reliability. Comprehensive Psychiatry 45, 225–229.
Judd, LL, Akiskal, HS, Schettler, PJ, Coryell, W, Maser, J, Rice, JA, Solomon, DA and Keller, MB (2003 a) The comparative clinical phenotype and long term longitudinal episode course of bipolar I and II: a clinical spectrum or distinct disorders? Journal of Affective Disorders 73, 19–32.
Judd, LL, Schettler, PJ, Akiskal, HS, Maser, J, Coryell, W, Solomon, D, Endicott, J and Keller, M (2003 b) Long-term symptomatic status of bipolar I vs. bipolar II disorders. International Journal of Neuropsychopharmacology 6, 127–137.
Keck, PE Jr, McElroy, SL, Havens, JR, Altshuler, LL, Nolen, WA, Frye, MA, Suppes, T, Denicoff, KD, Kupka, R, Leverich, GS, Rush, AJ and Post, RM (2003) Psychosis in bipolar disorder: phenomenology and impact on morbidity and course of illness. Comprehensive Psychiatry 44, 263–269.
Kerner, B, Lambert, CG and Muthen, BO (2011) Genome-wide association study in bipolar patients stratified by co-morbidity. PLoS ONE 6, e28477.
Kessler, RC, Ormel, J, Petukhova, M, McLaughlin, KA, Green, JG, Russo, LJ, Stein, DJ, Zaslavsky, AM, Aguilar-Gaxiola, S, Alonso, J, Andrade, L, Benjet, C, de Girolamo, G, de Graaf, R, Demyttenaere, K, Fayyad, J, Haro, JM, Hu, C, Karam, A, Lee, S, Lepine, JP, Matchsinger, H, Mihaescu-Pintia, C, Posada-Villa, J, Sagar, R and Ustun, TB (2011) Development of lifetime comorbidity in the World Health Organization world mental health surveys. Archives of General Psychiatry 68, 90–100.
Kim, JS, Ha, TH, Chang, JS, Park, YS, Huh, I, Kim, J, Hong, KS, Park, T and Ha, K (2015) Seasonality and its distinct clinical correlates in bipolar II disorder. Psychiatry Research 225, 540–544.
Labbe, A, Bureau, A, Moreau, I, Roy, MA, Chagnon, Y, Maziade, M and Merette, C (2012) Symptom dimensions as alternative phenotypes to address genetic heterogeneity in schizophrenia and bipolar disorder. European Journal of Human Genetics 20, 1182–1188.
Lee, K, Oh, H, Lee, EH, Kim, JH, Kim, JH and Hong, KS (2016) Investigation of the clinical utility of the hypomania checklist 32 (HCL-32) for the screening of bipolar disorders in the non-clinical adult population. BMC Psychiatry 16, 124.
Lieberman, DZ, Peele, R and Razavi, M (2008) Combinations of DSM-IV-TR criteria sets for bipolar disorders. Psychopathology 41, 35–38.
Lin, PI, McInnis, MG, Potash, JB, Willour, V, MacKinnon, DF, DePaulo, JR and Zandi, PP (2006) Clinical correlates and familial aggregation of age at onset in bipolar disorder. American Journal of Psychiatry 163, 240–246.
Maciukiewicz, M, Czerski, PM, Leszczynska-Rodziewicz, A, Kapelski, P, Szczepankiewicz, A, Dmitrzak-Weglarz, M, Skibinska, M, Pawlak, J, Hauser, J and Karlowski, WM (2012) Analysis of OPCRIT results indicate the presence of a novel ‘social functioning’ domain and complex structure of other dimensions in the Wielkopolska (Poland) population. Schizophrenia Research 138, 223–232.
Maciukiewicz, M, Dmitrzak-Weglarz, M, Pawlak, J, Leszczynska-Rodziewicz, A, Zaremba, D, Skibinska, M and Hauser, J (2014) Analysis of genetic association and epistasis interactions between circadian clock genes and symptom dimensions of bipolar affective disorder. Chronobiology International 31, 770–778.
McElroy, SL, Altshuler, LL, Suppes, T, Keck, PE Jr, Frye, MA, Denicoff, KD, Nolen, WA, Kupka, RW, Leverich, GS, Rochussen, JR, Rush, AJ and Post, RM (2001) Axis I psychiatric comorbidity and its relationship to historical illness variables in 288 patients with bipolar disorder. American Journal of Psychiatry 158, 420–426.
McElroy, SL, Crow, S, Blom, TJ, Biernacka, JM, Winham, SJ, Geske, J, Cuellar-Barboza, AB, Bobo, WV, Prieto, ML, Veldic, M, Mori, N, Seymour, LR, Bond, DJ and Frye, MA (2016) Prevalence and correlates of DSM-5 eating disorders in patients with bipolar disorder. Journal of Affective Disorders 191, 216–221.
McGrath, JA, Avramopoulos, D, Lasseter, VK, Wolyniec, PS, Fallin, MD, Liang, KY, Nestadt, G, Thornquist, MH, Luke, JR, Chen, PL, Valle, D and Pulver, AE (2009) Familiality of novel factorial dimensions of schizophrenia. Archives of General Psychiatry 66, 591–600.
Meier, S, Mattheisen, M, Vassos, E, Strohmaier, J, Treutlein, J, Josef, F, Breuer, R, Degenhardt, F, Muhleisen, TW, Muller-Myhsok, B, Steffens, M, Schmael, C, McMahon, FJ, Bipolar Disorder Genome Study C, Nothen, MM, Cichon, S, Schulze, TG, Rietschel, M, Kelsoe, JR, Greenwood, TA, Nievergelt, CM, Barrett, TB, McKinney, R, Shilling, PD, Schork, NJ, Smith, EN, Bloss, CS, Nurnberger, J, Edenberg, HJ, Foroud, T, Koller, DL, Gershon, ES, Liu, CY, Badner, JA, Scheftner, W, Lawson, WB, Nwulia, EA, Hipolito, M, Coryell, W, Rice, J, Byerley, W, McMahon, F, Chen, DT, Schulze, TG, Berrettini, W, Potash, JB, Zandi, PP, Mahon, PB, McInnis, M, Craig, D and Szelinger, S (2012) Genome-wide significant association between a ‘negative mood delusions’ dimension in bipolar disorder and genetic variation on chromosome 3q26.1. Translational Psychiatry 2, e165.
Merikangas, KR, Cui, L, Heaton, L, Nakamura, E, Roca, C, Ding, J, Qin, H, Guo, W, Shugart, YY, Zarate, C and Angst, J (2014) Independence of familial transmission of mania and depression: results of the NIMH family study of affective spectrum disorders. Molecular Psychiatry 19, 214–219.
Monahan, PO, Stump, T, Coryell, WH, Harezlak, J, Marcoulides, GA, Liu, H, Steeger, CM, Mitchell, PB, Wilcox, HC, Hulvershorn, LA, Glowinski, AL, Bipolar Disorder Genome Study C, Iyer-Eimerbrink, PA, McInnis, M and Nurnberger, JI (2015) Confirmatory test of two factors and four subtypes of bipolar disorder based on lifetime psychiatric co-morbidity. Psychological Medicine 45, 2181–2196.
Nierenberg, AA, Miyahara, S, Spencer, T, Wisniewski, SR, Otto, MW, Simon, N, Pollack, MH, Ostacher, MJ, Yan, L, Siegel, R, Sachs, GS and Investigators, S-B (2005) Clinical and diagnostic implications of lifetime attention-deficit/hyperactivity disorder comorbidity in adults with bipolar disorder: data from the first 1000 STEP-BD participants. Biological Psychiatry 57, 1467–1473.
Oquendo, MA, Barrera, A, Ellis, SP, Li, S, Burke, AK, Grunebaum, M, Endicott, J and Mann, JJ (2004) Instability of symptoms in recurrent major depression: a prospective study. American Journal of Psychiatry 161, 255–261.
Ostacher, MJ, Suppes, T, Swann, AC, Eudicone, JM, Landsberg, W, Baker, RA and Carlson, BX (2015) Patterns of response to aripiprazole, lithium, haloperidol, and placebo across factor scores of mania. International Journal of Bipolar Disorders 3, 11.
Ostergaard, SD, Bertelsen, A, Nielsen, J, Mors, O and Petrides, G (2013) The association between psychotic mania, psychotic depression and mixed affective episodes among 14529 patients with bipolar disorder. Journal of Affective Disorders 147, 44–50.
Perlis, RH, Miyahara, S, Marangell, LB, Wisniewski, SR, Ostacher, M, DelBello, MP, Bowden, CL, Sachs, GS, Nierenberg, AA and Investigators, S-B (2004) Long-term implications of early onset in bipolar disorder: data from the first 1000 participants in the systematic treatment enhancement program for bipolar disorder (STEP-BD). Biological Psychiatry 55, 875–881.
Perlis, RH, Ostacher, MJ, Uher, R, Nierenberg, AA, Casamassima, F, Kansky, C, Calabrese, JR, Thase, M and Sachs, GS (2009) Stability of symptoms across major depressive episodes in bipolar disorder. Bipolar Disorder 11, 867–875.
Persons, JE, Coryell, WH, Solomon, DA, Keller, MB, Endicott, J and Fiedorowicz, JG (2018) Mixed state and suicide: is the effect of mixed state on suicidal behavior more than the sum of its parts? Bipolar Disorder 20, 35–41.
Rosenthal, N, Bradt, G and Wehr, T (1987) Seasonal Pattern Assessment Questionnaire. Washington, DC: National Institute of Mental Health.
Ruderfer, DM, Fanous, AH, Ripke, S, McQuillin, A, Amdur, RL, Schizophrenia Working Group of Psychiatric Genomics C, Bipolar Disorder Working Group of Psychiatric Genomics C, Cross-Disorder Working Group of Psychiatric Genomics C, Gejman, PV, O'Donovan, MC, Andreassen, OA, Djurovic, S, Hultman, CM, Kelsoe, JR, Jamain, S, Landen, M, Leboyer, M, Nimgaonkar, V, Nurnberger, J, Smoller, JW, Craddock, N, Corvin, A, Sullivan, PF, Holmans, P, Sklar, P and Kendler, KS (2014) Polygenic dissection of diagnosis and clinical dimensions of bipolar disorder and schizophrenia. Molecular Psychiatry 19, 1017–1024.
Sargant, W (1962) The treatment of anxiety states and atypical depressions by the monoamine oxidase inhibitor drugs. Journal of Neuropsychiatry 3(suppl. 1), S96–103.
Sato, T, Bottlender, R, Kleindienst, N and Moller, HJ (2002) Syndromes and phenomenological subtypes underlying acute mania: a factor analytic study of 576 manic patients. American Journal of Psychiatry 159, 968–974.
Serretti, A, Lattuada, E, Cusin, C, Macciardi, F and Smeraldi, E (1998) Analysis of depressive symptomatology in mood disorders. Depression and Anxiety 8, 80–85.
Simon, NM, Otto, MW, Weiss, RD, Bauer, MS, Miyahara, S, Wisniewski, SR, Thase, ME, Kogan, J, Frank, E, Nierenberg, AA, Calabrese, JR, Sachs, GS, Pollack, MH and Investigators, S-B (2004 a) Pharmacotherapy for bipolar disorder and comorbid conditions: baseline data from STEP-BD. Journal of Clinical Psychopharmacology 24, 512–520.
Simon, NM, Otto, MW, Wisniewski, SR, Fossey, M, Sagduyu, K, Frank, E, Sachs, GS, Nierenberg, AA, Thase, ME and Pollack, MH (2004 b) Anxiety disorder comorbidity in bipolar disorder patients: data from the first 500 participants in the Systematic Treatment Enhancement Program for Bipolar Disorder (STEP-BD). American Journal of Psychiatry 161, 2222–2229.
Smith, CS, Reilly, C and Midkiff, K (1989) Evaluation of three circadian rhythm questionnaires with suggestions for an improved measure of morningness. Journal of Applied Psychology 74, 728–738.
Solomon, DA, Leon, AC, Coryell, WH, Endicott, J, Li, C, Fiedorowicz, JG, Boyken, L and Keller, MB (2010) Longitudinal course of bipolar I disorder: duration of mood episodes. Archives of General Psychiatry 67, 339–347.
Suppes, T, Leverich, GS, Keck, PE, Nolen, WA, Denicoff, KD, Altshuler, LL, McElroy, SL, Rush, AJ, Kupka, R, Frye, MA, Bickel, M and Post, RM (2001) The Stanley Foundation Bipolar Treatment Outcome Network. II. Demographics and illness characteristics of the first 261 patients. Journal of Affective Disorders 67, 45–59.
Swann, AC, Lafer, B, Perugi, G, Frye, MA, Bauer, M, Bahk, WM, Scott, J, Ha, K and Suppes, T (2013) Bipolar mixed states: an international society for bipolar disorders task force report of symptom structure, course of illness, and diagnosis. American Journal of Psychiatry 170, 31–42.
Valiengo, LL, Soeiro-de-Souza, MG, Marques, AH, Moreno, DH, Juruena, MF, Andreazza, AC, Gattaz, WF and Machado-Vieira, R (2012) Plasma cortisol in first episode drug-naive mania: differential levels in euphoric versus irritable mood. Journal of Affective Disorders 138, 149–152.
Ventura, J, Nuechterlein, KH, Subotnik, KL, Gutkind, D and Gilbert, EA (2000) Symptom dimensions in recent-onset schizophrenia and mania: a principal components analysis of the 24-item Brief Psychiatric Rating Scale. Psychiatry Research 97, 129–135.
Yoon, J, Shin, S, Kook, S and Lee, H (1997) A preliminary study on the Korean translation of composite scale to measure morningness-eveningness. Journal of Korean Neuropsychiatric Association 36, 122–133.