1. Key Laboratory of Environmental Medicine Engineering, Department of Epidemiology and Health Statistics, School of Public Health Southeast University, Ministry of Education Nanjing Jiangsu China
2. Department of Lung Transplant Center The Affiliated Wuxi People's Hospital of Nanjing Medical University Wuxi Jiangsu China
3. Melbourne Sexual Health Centre, Alfred Health Melbourne Australia
4. Central Clinical School Monash University Melbourne Australia
5. Nanjing Municipal Center for Disease Control and Prevention Nanjing Jiangsu China
6. Department of Epidemiology and Biostatistics, College of Public Health Zhengzhou University Zhengzhou Henan China
7. Department of Epidemiology and Biostatistics School of Public Health, Xi'an Jiaotong University Health Science Center Xi'an Shaanxi China