1. Department of Internal Medicine Section Endocrinology; VU University Medical Center; Amsterdam The Netherlands
2. Department of Radiology & Nuclear Medicine; VU University Medical Center; Amsterdam The Netherlands
3. Department of Clinical Genetics and Bone Histomorphology; VU University Medical Center; Amsterdam The Netherlands
4. Department Periodontology; Academic Centre for Dentistry Amsterdam (ACTA); University of Amsterdam and VU University; Amsterdam The Netherlands
5. Department of Oral and Maxillofacial Surgery; Utrecht University Medical Center; Utrecht The Netherlands