1. CDC Foundation for Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
2. Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
3. Enteric & Diarrheal Diseases, Global Health, Bill and Melinda Gates Foundation, Seattle, WA, USA
4. Department of Paediatrics, Prince of Wales Hospital, Hong Kong Special Administrative Region, PR China
5. International Health, Johns Hopkins University, Baltimore, MD, USA