1. University of North Carolina Project-China, Guangzhou, China
2. Institute for Global Health and Infectious Diseases, UNC Chapel Hill, Chapel Hill, NC, USA
3. Clinical Research Department, London School of Hygiene and Tropical Medicine, London, UK
4. Dermatology Hospital of the Southern Medical University, Guangzhou, China
5. Department of Medicine, University of North Carolina at Chapel-Hill, Chapel Hill, NC, USA
6. Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA