1. Department of Pathology; Centre de Recerca en Salut Internacional de Barcelona (CRESIB); Hospital Clínic; University of Barcelona, Faculty of Medicine; Barcelona Spain
2. Institute of Gynaecology; Obstetrics and Neonatology; Institut d′Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS); Hospital Clínic; University of Barcelona, Faculty of Medicine; Barcelona Spain
3. Unit of Molecular Pathology; Department of Pathology; VU University Medical Center; Amsterdam the Netherlands