1. Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor
2. Unit for Laboratory Animal Medicine, University of Michigan, Ann Arbor
3. Institute of Primate Research, National Museum of Kenya, Karen
4. Division of Infectious Diseases, Department of Internal Medicine, University of Michigan, Ann Arbor
5. Department of Pathology, University of Michigan, Ann Arbor
6. Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
7. Department of Obstetrics and Gynecology, University of Washington, Seattle