1 Department of Psychiatry and Mental Health Institute, Second Xiangya Hospital, Central South University, Chinese National Clinical Research Center on Mental Disorders (Xiangya), Changsha, Hunan 410011, China; Chinese National Technology Institute on Mental Disorders, Hunan Key Laboratory of Psychiatry and Mental Health, Changsha, Hunan, China; Department of Psychiatry, University of Oxford, Oxford, UK.
2 Beijing Huilongguan Hospital, WHO Collaborating Center for Research and Training in Suicide Prevention, Beijing, China.
3 Department of Psychiatry and Mental Health Institute, Second Xiangya Hospital, Central South University, Chinese National Clinical Research Center on Mental Disorders (Xiangya), Changsha, Hunan 410011, China; Chinese National Technology Institute on Mental Disorders, Hunan Key Laboratory of Psychiatry and Mental Health, Changsha, Hunan, China. Electronic address: oujianjun@csu.edu.cn.