1. Department of Obstetrics and Gynecology, Inselspital University Hospital and University of Bern Bern Switzerland
2. Center of Laboratory Medicine Dr. Risch Vaduz Liechtenstein
3. Private University of the Principality of Liechtenstein Triesen Liechtenstein
4. Department of Cardiology Inselspital Bern University HospitalUniversity of Bern Bern Switzerland
5. Division of Clinical Chemistry Labormedizinisches Zentrum Dr. Risch Bern Switzerland