1. Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium
2. Clinical and Experimental Endocrinology, Department of Chronic Diseases and Metabolism (Chrometa), KU Leuven, Leuven, Belgium
3. Basic and Translational Endocrinology (BaTE), Department of Basic and Applied Medical Sciences, Ghent University, Ghent, Belgium
4. Pediatric Endocrinology Service, Department of Pediatrics, Ghent University Hospital, Ghent, Belgium
5. Department of Endocrinology, Unit for Osteoporosis and Metabolic Bone Diseases, Ghent University Hospital, Ghent, Belgium