1. INCAP; Guatemala City Guatemala
2. RTI International; Durham NC USA
3. University of Colorado; Denver CO USA
4. University of North Carolina at Chapel Hill; Chapel Hill NC USA
5. University of Alabama at Birmingham; Birmingham AL USA
6. Moi University School of Medicine; Eldoret Kenya
7. KLE University's JN Medical College; Belgaum India
8. Aga Khan University; Karachi Pakistan
9. Lata Medical Research Foundation; Nagpur India
10. CIDRZ; Lusaka Zambia
11. University of Zambia; Lusaka Zambia
12. Kinshasa School of Public Health; Kinshasa DRC
13. Thomas Jefferson University; Philadelphia PA USA
14. Boston University; Boston MA USA
15. Indiana University; Indianapolis IN USA
16. NICHD; Bethesda MD USA
17. Columbia University Medical Center; New York NY USA