1Department of Epidemiology, Boston University School of Public Health, Boston, Massachusetts. Electronic address: yland@bu.edu.
2Department of Obstetrics and Gynecology, Stanford University School of Medicine, Stanford, California; Department of Urology, Stanford University School of Medicine, Stanford, California.
3Department of Epidemiology, Boston University School of Public Health, Boston, Massachusetts.
4Department of Epidemiology, Boston University School of Public Health, Boston, Massachusetts; RTI Health Solutions, Research Triangle, North Carolina.
5Department of Psychiatry, Boston University School of Medicine, Boston, Massachusetts; National Center for PTSD, Women's Health Sciences Division at VA Boston Healthcare System, Boston, Massachusetts.
6Sandstone Diagnostics, Inc., Pleasanton, California.