1. China-Australia Joint Research Center for Infectious Diseases, School of Public Health, Health Science Centre, Xi’an Jiao Tong University, Xi’an, China
2. Institute of Health Policy Management and Evaluation, Dalla Lana School of Public Health, University of Toronto, Toronto, Canada
3. Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, Minnesota, USA
4. Melbourne Sexual Health Centre, Alfred Health, Carlton, Australia
5. Central Clinical School, Faculty of Medicine Nursing and Health Sciences, Monash University, Clayton, Australia
6. School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou, China
7. Department of Maternal Care, Shenzhen Maternity and Child Health Hospitals, Shenzhen, Guangdong, China