1. Center for Surgery and Public Health, Department of Surgery, Brigham and Women’s Hospital, Boston, Massachusetts
2. Program in Global Surgery and Social Change, Harvard Medical School, Boston, Massachusetts
3. Department of Sport and Health Sciences, Technical University of Munich, Munich, Germany
4. Harvard Medical School, Boston, Massachusetts
5. Division of Maternal-Fetal Medicine, Naval Medical Center San Diego, San Diego, California
6. Center for Health Services Research, Uniformed Services University of the Health Sciences, Bethesda, Maryland