| Institution: | 1. Centers for Disease Control and Prevention (CDC), Atlanta, USA;2. U.S. Naval Medical Research Unit No. 6, Bellavista, Peru;3. Clalit Research Institute, Tel Aviv, Israel;4. Rabin Medical Center, Petah Tikva, Israel;5. Abt Associates Inc, Atlanta, GA, USA;6. Battelle, Atlanta, GA, USA;7. Soroka University Medical Center, Ben Gurion University of the Negev, Beer-Sheva, Israel;8. Dos de Mayo Hospital, Lima, Peru;9. University of Michigan, Detroit, MI, USA;10. Hospital Loayza, Lima, Peru;11. Hospital Nacional Cayetano Heredia, Lima, Peru;12. Instituto de Salud del Niño, Lima, Peru;13. Hospital Carrión, Lima, Peru |
