1. Department of Obstetrics and Gynecology, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, California; Pacific Reproductive Center, Torrance, California; Department of Pathology, University of Mississippi Medical Center, Jackson, Mississippi;
2. Department of Obstetrics and Gynecology, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, California; Pacific Reproductive Center, Torrance, California; Department of Pathology, University of Mississippi Medical Center, Jackson, Mississippi