1. CONRAD, Eastern Virginia Medical School (EVMS), Arlington, Virginia.
2. FHI 360 (formerly Family Health International), Research Triangle Park, North Carolina.
3. CONRAD, Eastern Virginia Medical School (EVMS), Norfolk, Virginia.
4. Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts.
5. University of Pittsburgh and Magee-Womens Research Institute, Pittsburgh, Pennsylvania.
6. University of California, Davis, Sacramento, California.