1. Department of Obstetrics and Gynecology, Cedars-Sinai Medical Center, Los Angeles, CA
2. Biostatistics Core at the Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA
3. Durham Veterans Affairs Health System, Durham, NC
4. Centers for Disease Control and Prevention, Atlanta, GA
5. Surgery
6. Department of Urology, UC San Diego Medical Center, La Jolla, CA.