From *St. Joseph's Healthcare, Hamilton Ontario, Canada; the †University of Alabama, Birmingham, Alabama; ‡Louisiana State University Medical Center, New Orleans, Louisiana; §Gen-Probe Incorporated, San Diego, California; ∥Magee Women's Research Institute, Pittsburgh, Pennsylvania; ¶Wishard Memorial Hospital, Indianapolis, Indianapolis; **Florida State Department of Health, Jacksonville, Florida; ††Planned Parenthood of Houston and Southeast Texas, Houston, Texas; the ‡‡University of Illinois, Chicago, Illinois; and the §§University of California, San Francisco, California