1. Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Stanford University Medical Center, Sunnyvale, CA, USA
2. Department of Obstetrics and Gynecology, Hannover Medical School, Hannover, Germany
3. Department of Biostatistics, University of Florida, Gainesville, FL, USA
4. Department of Pharmacodynamics, College of Pharmacy, University of Florida, Gainesville, FL, USA
5. Department of Physiology and Functional Genomics, D. H. Barron Reproductive and Perinatal Biology Research Program, College of Medicine, University of Florida, Gainesville, FL, USA
6. Department of Obstetrics and Gynecology, D. H. Barron Reproductive and Perinatal Biology Research Program, College of Medicine, University of Florida, Gainesville, FL, USA