1. Influenza Division, National Center for Immunization and Respiratory Disease, Centers for Disease Control and Prevention (CDC), Atlanta, GA, United States
2. Becton Dickinson, Research Triangle Park, North Carolina, United States
3. Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, United States
4. International Centre for Diarrhoeal Disease Research, Bangladesh, Dhaka, Bangladesh
5. Biomedical Advanced Research and Development Authority (BARDA), Washington DC, United States