1. Department of Endocrinology and Metabolism Odense University Hospital Odense Denmark
2. Department of Clinical Research University of Southern Denmark Odense Denmark
3. Department of Cardiology Aarhus University Hospital Aarhus N Denmark
4. Department of Pediatrics Copenhagen University Hospital, Rigshospitalet Copenhagen Denmark
5. The RAREDIS Database, Section of Rare Diseases, Department of Clinical Genetics and Pediatrics Copenhagen University Hospital, Rigshospitalet Copenhagen Denmark
6. Department of Cardiology Rigshospitalet Copenhagen Denmark
7. Center for Rare Diseases, Department of Pediatrics Aarhus University Hospital Aarhus N Denmark
8. Department of Clinical Biochemistry Rigshospitalet Copenhagen Denmark
9. Department of Clinical Medicine, Faculty of Health and Medical Sciences University of Copenhagen Copenhagen Denmark
10. Department of Cardiology Aalborg University Hospital Aalborg Denmark
11. Department of Endocrinology Aarhus University Hospital Aarhus Denmark