1. DDL Diagnostic Laboratory; ER Rijswijk the Netherlands
2. Faculty of Medicine-University 9 of Barcelona; Institute of Gynaecology, Obstetrics and Neonatology; Hospital Clínic-Institut d′Investigacions Biomèdiques August Pi I 8 Sunyer (IDIBAPS); Barcelona Spain
3. Department of Pathology; ISGLobal 11 (Institut de Salit Global de Barcelona)-Hospital Clínic; Barcelona Spain
4. Department of Pathology; Erasmus Medical Centre; CA Rotterdam the Netherlands