1. Department of Social Medicine, School of Health Management, Harbin Medical University, Nangang District, Harbin, Heilongjiang, China
2. Academic Affair Office, Dean’s Office of Clinical Medical College of Anhui Medical University, Xinzhan District, Hefei, Anhui, China
3. Department of Public Health, School of Psychology and Public Health, La Trobe University, Melbourne, VIC, Australia
4. Office of discipline supervision & investigation, Chengyang People’s Hospital, Chengyang District, Qingdao, Shandong, China
5. Department of Humanity and Social Sciences, Harbin Medical University, High-tech Zone, Daqing, Heilongjiang, China