1. College of Psychology and Sociology, Shenzhen University, Shenzhen, China;
2. Department of Social Work and Social Administration, The University of Hong Kong, Hong Kong SAR, China;
3. School of Psychology, Faculty of Health Sciences, Curtin University, Perth, Western Australia, Australia;
4. Center for Research on End-of-Life Care, Weill Cornell Medicine, New York, NY, USA;
5. Department of Medicine, Weill Cornell Medical College, New York, NY, USA