1. Synergy, Atlanta, Georgia, USA
2. CDC Foundation, Atlanta, Georgia, USA
3. Atlanta Research and Education Foundation, Decatur, Georgia, USA
4. International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
5. Unidad de Investigaciones Biomédicas, Iquitos, Peru
6. Johns Hopkins University, Baltimore, Maryland, USA
7. Minnesota Department of Health, St. Paul, Minnesota, USA
8. Pontificia Universidad Católica del Ecuador, Quito, Ecuador
9. National Autonomous University of Nicaragua, León, Nicaragua
10. Universidad del Valle de Guatemala, Guatemala City, Guatemala
11. Oak Ridge Institute for Science and Education, Oak Ridge, Tennessee, USA
12. Division of Viral Diseases, CDC, Atlanta, Georgia, USA