1. The Novo Nordisk Foundation Center for Basic Metabolic Research
2. Department of Biomedical Sciences, Faculty of Health Sciences
3. Department of Clinical Physiology and Nuclear Medicine, Glostrup Hospital, Glostrup, Denmark
4. Department of Clinical Biochemistry, Rigshospitalet, Denmark
5. Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark