1 Université Paris Descartes, Paris Sorbonne Cité-Assistance Publique Hôpitaux de Paris, CHU Cochin, Department of Obstetrics and Gynecology and Reproductive Medicine, Paris, France.
2 Center of Reproductive Medicine, Hôpital Foch, University Paris-Ouest, Suresnes, France.
3 Reproductive Partners La Jolla and Division of Reproductive Endocrinology, University of California, San Diego, San Diego, California.