1. IVI Foundation, The Health Research Institute La Fe (IIS La Fe), Valencia, Spain
2. IVIRMA Rome, Rome, Italy
3. Centro Anatomopatológico, Madrid, Spain
4. IVIRMA New Jersey, Basking Ridge, NJ 07920, USA
5. Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Heaven, CT 06510, USA
6. Department of Pediatrics, Obstetrics and Gynecology, University of Valencia, Valencia, Spain
7. IVIRMA Madrid, Madrid, Spain
8. Department of Obstetrics and Gynecology, Rey Juan Carlos University, Madrid, Spain