1. Department of Human Genetics Amsterdam UMC location Vrije Universiteit Amsterdam Amsterdam The Netherlands
2. Amsterdam Reproduction and Development Amsterdam The Netherlands
3. Amsterdam Gastroenterology Endocrinology Metabolism Amsterdam The Netherlands
4. Emma Children's Hospital Amsterdam UMC location Vrije Universiteit Amsterdam Amsterdam The Netherlands
5. Department of Clinical Chemistry, Metabolic Laboratory Amsterdam UMC location Vrije Universiteit Amsterdam Amsterdam The Netherlands
6. Department of Pediatric Psychology Amsterdam UMC location Vrije Universiteit Amsterdam Amsterdam The Netherlands
7. Steroid Research & Mass Spectrometry Unit, Laboratory for Translational Hormone Analytics in Pediatric Endocrinology, Division of Pediatric Endocrinology & Diabetology, Center of Child and Adolescent Medicine Justus Liebig University Giessen Germany
8. Department of Molecular Medicine, Unit of Biochemistry University of Pavia Pavia Italy