1. Division of Reproductive Endocrinology and Infertility, Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, Maryland
2. Division of Reproductive Sciences and Women's Health Research, Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, Maryland
3. GENES Fertility Institute, San Juan, Puerto Rico
4. Department of Obstetrics and Gynecology, GENES Fertility Institute, University of Puerto Rico School of Medicine, San Juan, Puerto Rico
5. Seattle Reproductive Medicine, Seattle, Washington
6. Department of Obstetrics and Gynecology and Reproductive Medicine, Center for Reproductive Medicine and Infertility, Weill Cornell Medical College, New York, New York