1. Center for Endocrinology and Metabolism, Copenhagen University Hospital—Herlev and Gentofte, Herlev, Denmark.
2. Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark.
3. Laboratory of Experimental Cardiology, Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark.
4. Department of Endocrinology, Copenhagen University Hospital—Bispebjerg and Frederiksberg, Copenhagen, Denmark.
5. Derpartment of Cardiology, Copenhagen University Hospital—North Zealand, Hilleroed, Denmark.
6. Department of Data Support, Region Zealand, Sorø, Denmark.
7. Department of Laboratory Medicine, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA.