1. Department of Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, China
2. School of Psychology and Counselling, Queensland University of Technology, Brisbane, QLD, Australia
3. Department of Child Healthcare, Women’s and Children’s Hospital of Longhua District of Shenzhen, Shenzhen, China
4. School of Health Management, Xinhua College of Guangzhou, Guangzhou, China