1. Department of Obstetrics and Gynecology, University & Polytechnic Hospital La Fe, 46026 Valencia, Spain
2. Department of Obstetrics and Gynecology, Valencia General University Hospital, 46014 Valencia, Spain
3. Valencian Infertility Institute, University of Valencia, 46015 Valencia, Spain
4. Department of Pediatrics, Obstetrics & Gynecology, Faculty of Medicine, University of Valencia, 46010 Valencia, Spain
5. Biostatistics Department, La Fe Health Research Institute, University & Polytechnic Hospital La Fe, 46026 Valencia, Spain
6. Cytomics Laboratory, Príncipe Felipe Research Centre, 46012 Valencia, Spain