1. Human Molecular Genetics Group, Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, 08908 Barcelona, Spain
2. Urology Service, Bellvitge University Hospital, ICS, Hospitalet de Llobregat, 08908 Barcelona, Spain
3. Laboratory of Andrology and Sperm Bank, Andrology Service-Fundació Puigvert, 08025 Barcelona, Spain