1. Department of Endocrinology and Internal Medicine and Medical Research Laboratories Aarhus University Hospital Aarhus Denmark
2. Department of Molecular Medicine Aarhus University Hospital Aarhus Denmark
3. Cardiorespiratory Unit, Great Ormond Street Hospital for Children NHS Foundation Trust London UK
4. Diagnostic Centre Regional Hospital Silkeborg Silkeborg Denmark
5. Department of Cardiology Aalborg University Hospital Aalborg Denmark