Affiliation: | 1. Prenatal Research Unit, Clinical Biochemistry Department, King George Hospital, Goodmayes, UK;2. Department of Obstetrics, Universitätsklinikum Schleswig-Holstein, Kiel, Germany;3. Department of Obstetrics, Universitätsklinikum Schleswig-Holstein, Kiel, Germany Department of Obstetrics and Gynaecology, Hannover Medical School, Carl-Neuberg-Strasse 1, D-30625 Hannover, Germany |