1. Department of Anthropology, Yale University, New Haven, CT, USA
2. Yale School of Medicine, Yale University, New Haven, CT, USA
3. Department of Chronic Disease Epidemiology, Yale School of Public Health, New Haven, CT, USA
4. New York Consortium in Evolutionary Primatology, New York City, NY, USA
5. Department of Anthropology, University of Notre Dame, Notre Dame, IN, USA
6. Department of Obstetrics & Gynecology, Tupua Tamasese Meaole Hospital, Samoa National Health Service, Apia, Samoa
7. Ministry of Health, Apia, Samoa