1. Unit for Laboratory Animal Medicine, University of Michigan, Ann Arbor, Michigan, USA
2. Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan, USA
3. Dept of Pediatrics, Albert Einstein College of Medicine, Bronx, New York, USA
4. Departments of Pediatrics, Microbiology & Immunology, Epidemiology & Population Health, and Obstetrics, Gynecology and Women's Health, Albert Einstein College of Medicine, Bronx, New York, USA
5. Institute of Primate Research, National Museums of Kenya, Nairobi, Kenya
6. Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
7. Department of Obstetrics and Gynecology, University of Washington, Seattle, Washington, USA
8. Department of Pathology (Section on Comparative Medicine), Wake Forest School of Medicine, Winston-Salem, North Carolina, USA