1. Centre for Medical Genetics; Universitair Ziekenhuis Brussel (UZ Brussel); Brussels Belgium
2. Pediatric Endocrinology; Universitair Ziekenhuis Brussel (UZ Brussel); Brussels Belgium
3. Environment and Health/Youth Health Care; Department of Public Health and Primary Care; Leuven Belgium
4. Centre for Reproductive Medicine; Universitair Ziekenhuis Brussel (UZ Brussel); Brussels Belgium
5. Department of Human Anatomy; Vrije Universiteit Brussel; Brussels Belgium