1. Department of Endocrinology and Metabolism, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands;
2. Department of Surgery, Maastricht University Medical Center, Maastricht University, Maastricht, The Netherlands;
3. Department of Clinical Chemistry, Laboratory Genetic Metabolic Diseases, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands;
4. Department of Pediatrics, Emma Children's Hospital, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands; and
5. Department of Medicine, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands