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Superstitions are unproven beliefs that shape decision-making. While many studies have examined their influence on corporate financial decisions, few have addressed their impact on corporate social responsibility (CSR). In this study, we focus on the superstition associated with the Chinese zodiac year – a belief linked to bad luck – and investigate its effect on firms’ charitable donations. Drawing on literature concerning stress appraisal, resource building, and corporate philanthropy, and using data from Chinese listed firms from 2008 to 2020, we find a positive association between a CEO’s zodiac year and corporate donations. Furthermore, this effect is weakened by CEO’s overconfidence and amplified by increased negative media coverage of CEOs during zodiac years. This study contributes to the literature on the outcomes of superstitions in management, the antecedents of corporate philanthropy, the boundary conditions of stress appraisal, and the agency motivations of corporate philanthropy. Managerial implications are also discussed.
Understanding what happened after the collapse of and dating the different reoccupations of Teotihuacan can be challenging due to different factors, including the reuse of building materials and looting during Postclassic and modern times, which resulted in altered archaeological contexts or significant inbuilt ages for the samples. A Bayesian approach integrating radiocarbon ages and detailed archaeological information can help to overcome these difficulties. In this contribution we present the process of building a high-resolution chronology for the tunnels located to the east of the Pyramid of the Sun (excavated by Linda R. Manzanilla from 1993 to 1996) by the integration of 20 radiocarbon ages from Cueva del Pirul and Cueva de las Varillas with detailed archaeological information on the context for each dated sample, including ceramic style. With the resulting chronology it is possible to distinguish the moment of the different occupations during the Epiclassic and Postclassic times, helping to refine chronologies based on ceramic styles and to understand the population dynamics in the area.
This study explores the soundscapes of the Greek National Schism (1915–1922), focusing on the Venizelist victory celebrations of 14–15 September 1920. It examines how curated soundscapes were employed as political tools to reinforce national unity and suppress dissent, while counter-soundscapes offered avenues for resistance. Using press narratives as “earwitness” accounts, the research reconstructs auditory practices that shaped political narratives and collective memory. Bridging ethnomusicology, historical sound studies, and political history, this analysis highlights the performative nature of soundscapes in mediating power dynamics, especially amidst civil conflicts and calls for further cross-cultural studies into music’s role in societal transformation.
Strongyloides stercoralis infection affects approximately 600 million individuals worldwide. This parasite has the ability to exacerbate infection through internal autoinfection, which can lead to hyperinfection and/or dissemination, conditions associated with high morbidity and mortality, particularly in immunocompromised patients such as those with alcohol use disorder (AUD). In this study, we conducted a meta-analysis to assess the prevalence and risk of having S. stercoralis infection among individuals with AUD. Searches were performed in the PubMed, Embase, and LILACS databases to identify studies investigating the prevalence of S. stercoralis infection in individuals with AUD, with or without comparison to non-alcoholic groups. The pooled prevalence was calculated using the Probit Logit (PLOGIT) transformation, and the odds ratio (OR) was used for risk comparison. The initial search yielded 154 studies, of which seven were included in the systematic review and meta-analysis. The combined prevalence of S. stercoralis infection among patients with AUD was 16.9%. Risk analysis based on four studies showed that individuals with AUD had a 6.08-fold higher risk of infection compared with non-alcoholic individuals. These findings highlight chronic alcoholism as a significant risk factor for strongyloidiasis, likely due to a combination of environmental, physiological, and immunological factors. This meta-analysis underscores the critical need for routine screening for S. stercoralis infection in patients with AUD, even in the absence of clinical symptoms, to ensure early detection and timely intervention.
Pharyngo-oesophageal spasm is a common reason behind the failure of tracheo-oesophageal voice production. This study aims to describe the feasibility of high-resolution ultrasound for localisation of the spasmodic segment for botulinum toxin injection.
Methods
The pharyngo-oesophageal segment was localised using a 6–13 Hz linear probe. It was visualised as a concentric muscular area between the great vessels of the neck. The spasmodic segment was identified as the narrowest region when the patient was asked to attempt phonation and swallow.
Results
This technique was utilised in one patient who had pharyngo-oesophageal spasm following total laryngectomy. Following botulinum toxin injection, the patient was able to attempt phonation after one week.
Conclusion
High-resolution ultrasound is an effective modality to guide botulinum toxin injection into the spasmodic pharyngo-oesophageal segment. It allows intervention to be performed at the bedside or outpatient setting without associated radiation exposure.
The leucite group structures are tetrahedrally coordinated silicate framework structures with some of the silicate framework cations partially replaced by divalent or trivalent cations. These structures have general formulae A2BSi5O12 and ACSi2O6, where A is a monovalent alkali metal cation, B is a divalent cation, and C is a trivalent cation. These leucites can have crystal structures in several different space groups, dependent on stoichiometry, synthesis conditions, and temperature. Phase transitions are known for temperature changes. This paper reports a high-temperature X-ray powder diffraction study on RbGaSi2O6, which shows a phase transition from I41/a tetragonal to Iad cubic on heating from room temperature to 733 K. On cooling to room temperature, the crystal structure reverts to I41/a tetragonal.
Since Foucault’s seminal work in the 1960s on the consequences of eighteenth-century discursive shifts in medicine, the establishment of hospitals during this period has often been interpreted as a progressive innovation driven primarily by medical scientists. However, less attention has been given to the ways in which the founding of hospitals was intertwined with domestic traditions and the practical challenges inherent in their implementation. By examining the establishment of the Seraphim Hospital in Stockholm, along with subsequent hospital foundations in Sweden, the practical difficulties involved become evident. Some of these challenges, particularly those related to funding difficulties, bear a striking resemblance to contemporary discussions on enhancing the efficiency of healthcare, despite the differing historical contexts. In the Swedish eighteenth-century context, ecclesiastical authority in medical matters persisted and played a role in the establishment process, while the military character of the kingdom also influenced hospital development. The conclusion drawn is that both national and local conditions shaped how medical reforms were conceived and practised. The historiographical emphasis on novelty and change may, at times, obscure the continuity of past practices, which undeniably played a crucial role in shaping the new. The concept of path dependency is thus employed not only to trace these historical connections but also to explore the ways in which they influenced the Swedish context, ultimately shaping the trajectory of hospital development in the country.
Developments such as the opening of the first psychiatric outpatient clinic, the emergence of psychiatric social work, the surge of interest in psychology and psychiatry, and the tightening of notions about sexual hygiene, intersected with the rise of the mental hygiene movement in India from 1930s. There exists little to no discussion on how mental hygiene developed in the colonies. This study is the first to shed light on the lesser-known chapter of psychiatry in India. The dynamics of family, childhood, and nation-state when merged with ideas about racism, caste, and communalism were critical in the making of new nation-states like India. Moreover, the trajectory of India’s participation in international health movements, such as psychoanalysis and mental hygiene, allowed for exchange and participation. India’s participation in the mental hygiene movement allowed the growth of psy-disciplines in innumerable ways. This paper fills in a major lacuna in historical writing by providing an outline of the number of interconnected developments in the colonies, which are often sidelined. The international visibility of India also permitted India to take centre stage in many significant studies that were conducted by the World Health Organization after the Second World War.
Preliminary results from the first archaeological excavations of Early Modern mercury-production sites at Idrija, Slovenia, confirm the use of ceramic vessels for mercury roasting following the techniques described in Agricola’s De re metallica, which was published in 1556.
Difficulty visualising the round window is occasionally encountered during cochlear implant surgery. This paper presents a novel method for predicting difficult round window accessibility using pre-operative computed tomography (CT) imaging.
Methods
This is a retrospective multicentre study of all cochlear implantation surgical procedures conducted in two Singaporean tertiary hospitals between 2018 and 2021. Pre-operative CT temporal bone scans were reviewed and two lines were drawn on a single axial cut. Where both lines intersect medially, difficult round window visualisation is predicted. Computed tomography predictions were compared with intra-operative findings, and statistical analysis was performed.
Results
In 9 of 89 cases (10.1 per cent) difficult round window access was noted intra-operatively and 8 cases (88.9 per cent) were correctly predicted by the novel method (p < 0.001; sensitivity, 89 per cent; specificity, 100 per cent).
Conclusion
This study describes a simple, effective method to predict difficult round window access on axial CT temporal bone images, without reconstructed images or complex calculations.
To evaluate clinical characteristics, complications and survival outcomes in patients undergoing lateral temporal bone resection for malignancy at a tertiary skull base centre.
Methods
This retrospective cohort study analysed patients treated between 2004 and 2023 at a UK tertiary referral centre. Data collected included demographics, histological diagnosis, stage, surgical approach, reconstruction and adjuvant therapy. Complications and survival were examined using descriptive statistics, Kaplan–Meier survival curves and Cox proportional hazards modelling.
Results
Eighty-nine patients were included (mean age, 67.2 years; 69.7 per cent male). Squamous cell carcinoma (SCC) was the most frequent diagnosis (58.4 per cent) and lateral temporal bone resection was the predominant procedure (73.0 per cent). Post-operative complications occurred in 25.8 per cent of patients, with haematoma the most common complication. Median follow up was 19 months. The 5-year overall survival rate was 50 per cent, with significant differences by cancer stage and patient age.
Conclusion
Surgical management of lateral temporal bone malignancies, predominantly SCC, carries significant morbidity, while survival and complication rates mirror published literature, with outcomes chiefly influenced by age and cancer stage rather than nodal status.
What economic system does a Kantian ideal of freedom entail? In Living with the Invisible Hand, Waheed Hussain argues it entails intermediated capitalism. Here, I investigate these arguments within the framework of a Kantian theory of right. I sketch a Kantian theory of equal democratic government where we have the right to make together through equal democratic processes decisions that structure our rightful relationships with one another. I argue that any plausible Kantian view of the natural determinacy of property rights justifies extensive government intervention in the economy, creating space to argue for alternative economic systems such as intermediated capitalism.
This article explores the canonisation of chèo music theatre in Vietnam since the early twentieth century. Focusing on the reform of the classical chèo play “Súy Vân,” it examines the confluence of factors—the political and cultural currents and the networks of actors—involved in canon formation. In this historical account of canonisation, chèo is positioned within an enlarged conversation about tradition, in which tradition is understood as a space for creativity that has recourse to the past while undergoing continual transformation. Moving beyond the canon, questions about the nature of tradition and artistic creativity in Vietnamese music theatre are also explored through analysis of recent experimental work by the artist Sơn X.
Following the decisions of the scientific session ‘For the further flourishing of Pavlov’s doctrine’ of the Academy of Sciences and the Academy of Medical Sciences of the USSR in 1950, important reforms were introduced under political control in the USSR and the Eastern Bloc countries. Research plans of science institutions and medical university curricula were changed according to these decisions. Scientists and university professors were forced to adopt courses in Pavlovian doctrine. The reforms affected the work of hospitals and sanatoriums, whose staff was instructed to reform the everyday practice. Regarding the clinical work, the session had two main consequences: the introduction of the so-called Curative-Protective Hospital Regime and the introduction of sleep therapy for the treatment of psychiatric diseases, hypertension, ulcers, rheumatism, and other diseases. As a widespread therapeutic method, it was established in the 1950s in the USSR and in the countries of the Eastern Bloc as a general reform of health politics. Political (Soviet influence), ideological (dialectical materialism), theoretical (Pavlovian teaching), and practical medical considerations intersected in the implementation of the therapeutic methods which made patients objects of this treatment. This study explores the process of dissemination and establishment of sleep therapy in Bulgarian hospital practice based on the hospital documentation of the Pediatrics Clinic at the Medical Academy and the Clinic of Cardiac Diseases in Sofia in 1952–1953.
To assess the relationship between vitamin D and post-operative hypocalcaemia in patients undergoing total thyroidectomy in our population.
Methods
A prospective cohort of 210 patients meeting inclusion criteria from March 2020 to September 2023 at Sultan Qaboos University Hospital was analysed. Pre-operative serum 25-hydroxy vitamin D was measured, with calcium and parathyroid hormone assessed post-operatively, and symptoms recorded.
Results
Univariate and logistic regression analyses showed no significant association between pre-operative vitamin D levels and post-operative hypocalcaemia (p = 0.254 and 0.52, respectively). Receiver operating characteristic analysis showed an area under the curve of 0.6 (p = 0.012), indicating limited predictive ability.
Conclusion
In our population, pre-operative vitamin D level was not a reliable predictor of post-thyroidectomy hypocalcaemia. Because of population-based differences in vitamin D metabolism and assay variability, universal cut-off values remain impractical. These findings highlight the need for further research to establish population-specific thresholds for vitamin D in predicting hypocalcaemia risk.
To map the scope, methods and focus areas of qualitative research in paediatric otolaryngology.
Methods
A Preferred Reporting Items for Systematic Reviews and Meta-Analyses-compliant systematic mapping review searched MEDLINE, Embase, CENTRAL and PsycInfo (August 2025) for qualitative or mixed-methods studies with a qualitative component related to paediatric otolaryngology. Two reviewers independently applied the inclusion criteria. Key study characteristics were extracted; no formal risk-of-bias assessment was performed, in line with the aims of a mapping review.
Results
Eighty-nine studies were included. Publications rose sharply after 2015, with nearly three-quarters from the USA, Canada and the UK. Otology (49 per cent) and laryngology (40 per cent) predominated; common topics were hearing loss, tonsillectomy and tracheostomy. Interviews, mainly semi-structured (73 per cent), were the dominant method, and caregivers were the most frequent participants (62 per cent).
Conclusions
Qualitative research in paediatric otolaryngology is growing but remains geographically and methodologically narrow. Broader stakeholder inclusion and methodological diversity are needed to deepen understanding and support patient-centred care.