1. Center for Global Health Research, Kenya Medical Research Institute, Kisumu, Kenya
2. Rollins School of Public Health, Hubert Department of Global Health, Emory University, Atlanta, GA, USA
3. Division of Global Health Protection, Center for Global Health, Centers for Disease Control and Prevention, Nairobi, Kenya
4. Institute of Tropical Medicine, Antwerp
5. Yale Institute for Global Health
6. Department of Internal Medicine (Infectious Diseases), Yale School of Medicine
7. Department of Epidemiology of Microbial Diseases, Yale School of Public Health
8. Influenza Program, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Nairobi, Kenya