1. Department of Medicine and Medical Specialities, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcala de Henares, Spain
2. Ramón y Cajal Institute of Sanitary Research (IRYCIS), 28034 Madrid, Spain
3. University Defense Center of Madrid (CUD), 28047 Madrid, Spain
4. Department of Obstetrics and Gynecology, University Hospital Gregorio Marañón, 28009 Madrid, Spain
5. Health Research Institute Gregorio Marañón, 28009 Madrid, Spain
6. Department of Surgery, Medical and Social Sciences, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcala de Henares, Spain
7. Pathological Anatomy Service, University Hospital Gómez-Ulla, 28806 Alcala de Henares, Spain
8. Department of Obstetrics and Gynecology, University Hospital of Guadalajara, 19002 Guadalajara, Spain
9. Immune System Diseases-Rheumatology and Internal Medicine Service, University Hospital Prince of Asturias, Networking Research Center on for Liver and Digestive Diseases (CIBEREHD), 28806 Alcala de Henares, Spain