1. Department of Psychiatry, The Second Xianga Hospital, Central South University; National Clinical Research Center on Mental Health Disorders (Xiangya); National Technology Institute on Mental Disorders, Hunan Technology Institute of Psychiatry, Hunan; Key Laboratory of Psychiatry and Mental Health, Mental Health Institute of Central South University; China
2. Division of Geriatric Psychiatry, Department of Psychiatry, Sunnybrook Health Sciences Centre; Department of Psychiatry, University of Toronto; Canada
3. Department of Psychology; Ryerson University; Toronto Canada
4. Department of Psychiatry; Singapore General Hospital; Singapore