1. School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
2. Student Affairs Steering Committee, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
3. Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
4. Center for Community Health Care, China Hospital Development Institute, Shanghai Jiao Tong University, Shanghai, China.
5. Shenyang Consultation Centre of AIDS Aid and Health Service, Shenyang, China.