1. Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, UT Southwestern Medical Center, Dallas, TX, USA
2. IVF Florida Reproductive Associates, Margate, FL, USA
3. Division of Biostatistics, Department of Public Health Sciences, University of Miami, Miami, FL, USA
4. Department of Obstetrics and Gynecology, University of Miami, Miami, FL, USA