Peter N. Schlegel, MD, Department of Urology, Weill Cornell Medical Center, New York Presbyterian Hospital, New York, NY, USADouglas T. Carrell, PhD, HCLD, University of Utah School of Medicine, Salt Lake City, UT, USABart C. Fauser, MD, PhD, Department of Reproductive Medicine, University Medical Center Utrecht, Utrecht, The NetherlandsCatherine Racowsky, MD, Department of Obstetrics and Gynecology, Division of Reproductive Endocrinology and Infertility, Brigham and Women's Hospital, Boston, MA, USA