1. Department of Surgery, Division of Public Health Sciences, Washington University School of Medicine in St. Louis, St. Louis, MO, USA
2. Department of Obstetrics and Gynecology, Washington University School of Medicine in St. Louis, St. Louis, MO, USA
3. Bernard Becker Medical Library, Washington University School of Medicine in St. Louis, St. Louis, MO, USA
4. Department of Obstetrics and Gynecology, Indiana University School of Medicine, Indianapolis, IN, USA