1. Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, University of Iowa Hospital and Clinics, Iowa City, IA, USA
2. Department of Internal Medicine, University of Iowa Hospital and Clinics, Iowa City, IA, USA
3. Institute for Clinical and Translational Science, University of Iowa, Iowa City, IA, USA
4. Center for Access and Delivery Research and Evaluation (CADRE), Iowa City VA Health Care System, Iowa City, IA, USA
5. Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, University of Washington Medical Center Montlake, Seattle, WA, USA