1. U.S. Air Force Institute for Environment, Safety and Occupational Health Risk Analysis, Epidemiological Surveillance Division, 2601 West Gate Road, Suite 114, Brooks Air Force Base, TX 78235-5241
2. DoD Global Emerging Infections Surveillance and Response System, Walter Reed Army Institute of Research, Silver Spring, MD
3. U.S. Army Medical Component-Armed Forces Research Institute of Medical Sciences, Department of Virology, Bangkok, Thailand
4. Bir Hospital, Kathmandu, Nepal
5. CIWEC Clinic, Kathmandu, Nepal
6. Walter Reed Army Institute of Research/Armed Forces Research Institute of Medical Sciences Research Unit, Nepal
7. Naval Medical Research Institute Detachment, Lima, Peru
8. Child-Maternity Hospital “San Francisco Solano,” Buenos Aires, Argentina
9. Epidemiology Unit of the Peruvian Navy, Central Hospital Naval, Lima, Peru
10. Hospital Vozandes Quito, Quito, Ecuador