1. Faculty of Medicine; Institute Clinic of Gynaecology, Obstetrics and Neonatology; Hospital Clinic-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS); University of Barcelona; Barcelona; Spain
2. Department of Pathology; Faculty of Medicine; CRESIB (Centre de Recerca en Salut Internacional de Barcelona); Hospital Clinic; University of Barcelona; Barcelona; Spain