1. Institute of Clinical Chemistry and Laboratory Medicine University Hospital Carl Gustav Carus Dresden Germany
2. Medical Faculty Technical University Dresden Dresden Germany
3. Department of Endocrinology St Bartholomew’s HospitalBart’s Health NHS Trust London UK
4. Department of Medicine III University Hospital Carl Gustav Carus Dresden Germany
5. Department of Internal Medicine Radboud University Medical Center Nijmegen The Netherlands
6. Department of Obstetrics and Gynaecology Maastricht University Medical Centre (MUMC) Maastricht The Netherlands
7. Department of Obstetrics and Gynaecology Radboud University Medical Centre Nijmegen The Netherlands