1. Department of Laboratory Medicine , Amsterdam UMC Location University of Amsterdam , Amsterdam , The Netherlands
2. Amsterdam Gastroenterology, Endocrinology & Metabolism , Amsterdam , The Netherlands
3. Amsterdam Public Health Research Institute , Amsterdam , Netherlands
4. Department of Endocrinology and Metabolism , Amsterdam UMC Location Vrije Universiteit Amsterdam , Amsterdam , Netherlands
5. Department of Reproductive Medicine , Amsterdam UMC Location Vrije Universiteit Amsterdam , Amsterdam , The Netherlands
6. Department of Laboratory Medicine , Amsterdam UMC Location Vrije Universiteit Amsterdam , Amsterdam , The Netherlands
7. Amsterdam Reproduction & Development Research Institute , Amsterdam , The Netherlands