1. Reproductive Medicine Unit Department of Obstetrics, Gynaecology and Reproduction Dexeus Mujer Dexeus University Hospital Barcelona Spain
2. Faculty of Medicine and Health Sciences Ghent University (UZ Gent) Gent Belgium
3. Unitat de Biologia Cel·lular Facultat de Biociències Universitat Autònoma de Barcelona Bellaterra Spain
4. Stem Cell Bank Centre of Regenerative Medicine in Barcelona L’Hospitalet de Llobregat Spain