1. Medical College of Wisconsin, Milwaukee, Wisconsin, United States
2. Hospital Nacional Cayetano Heredia, Lima, Peru
3. Instituto Nacional de Salud, Lima, Peru
4. Kimron Veterinary Institute, Beit Dagan,
Israel
5. Hospital Robert Reid Cabral, Santo Domingo, Dominican Republic
6. INOVA-Fairfax Hospital, Fairfax, Virginia, United States
7. Centers for Disease Control and Prevention, Atlanta, Georgia, United States
8. Royal Hospitals, Belfast HSC Trust, Belfast, U.K.
9. Instituto Nacional de Salud, Bogota, Colombia