[1] Dermatology Hospital of Southern Medical University,Central Clinical School
[2] University of North Carolina at Chapel Hill Project-China,Division of Community Health and Research
[3] Faculty of Infectious and Tropical Diseases,School of Public Health
[4] London School of Hygiene and Tropical Medicine,School of Public Health
[5] Monash University,undefined
[6] Eastern Virginia Medical School,undefined
[7] Southern Medical University,undefined
[8] Shandong University,undefined
[9] Rutgers University,undefined