1. Columbia University; New York NY USA
2. University of Washington; Seattle WA USA
3. Aga Khan University; Karachi Pakistan
4. Moi University; Eldoret Kenya
5. INCAP; Guatemala City Guatemala
6. University of Zambia; Lusaka Zambia
7. Kinshasa School of Public Health; Kinshasa DRC
8. RTI International; Durham NC USA
9. Indiana University; Indianapolis IN USA
10. University of North Carolina at Chapel Hill; Chapel Hill NC USA
11. University of Colorado; Denver CO USA
12. University of Alabama at Birmingham; Birmingham AL USA
13. San Carlos University; Guatemala City Guatemala
14. NICHD; Bethesda MD USA