1Monash University, Melbourne, Australia
2Alice Lee Centre for Nursing Studies, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
3Department of Clinical Psychology and Psychiatry/School of Public Health, Zhejiang University College of Medicine, Hangzhou, China
4Department of Psychological Medicine, National University Hospital, Singapore, Singapore
5National Addiction Management Service, Institute of Mental Health, Singapore, Singapore
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