1. Endocrinology Unit Azienda USL Bologna Italy
2. Unit of Reproductive Endocrinology, 1st Department of Obstetrics and Gynecology, Medical School Aristotle University of Thessaloniki Thessaloniki Greece
3. Division of Endocrinology, Department of Medicine, David Geffen School of Medicine at UCLA Harbor‐UCLA Medical Center and The Lundquist Institute Torrance California USA