Heng Jiang1, Robin Room2, Wei Hao3. 1. Centre for Alcohol Policy Research, Turning Point, Melbourne, VIC 3065, Australia; Eastern Health Clinical School, Monash University, Melbourne, VIC, Australia. Electronic address: jasonj@turningpoint.org.au. 2. Centre for Alcohol Policy Research, Turning Point, Melbourne, VIC 3065, Australia; Melbourne School of Population and Global Health, University of Melbourne, VIC, Australia. 3. Technology Institute of Psychiatry and Key Laboratory of Psychiatry of Hunan Province, Second Xiangya Hospital, Central South University, Changsha, Hunan, China.