1. Department of Internal Medicine and Medical Specialties (DiMI) School of Medicine University of Genova Genova Italy
2. Department of Medical Oncology U.O. Clinica di Oncologia Medica IRCCS Ospedale Policlinico San Martino Genova Italy
3. Division of Breast Surgery Ospedale Villa Scassi Genova Italy
4. Fertility clinic CUB‐Erasme Hospital Université Libre de Bruxelles (U.L.B.) Brussels Belgium
5. MRC Centre for Reproductive Health The Queen's Medical Research Institute The University of Edinburgh Edinburgh UK