1. Åstrand Laboratory Department of Physiology, Nutrition and Biomechanics Swedish School of Sport and Health Sciences Stockholm Sweden
2. Department of Physiology and Pharmacology Karolinska Institute Stockholm Sweden
3. Department of Clinical Science, Intervention and Technology Karolinska Institute Stockholm Sweden
4. Department of Biomedical Sciences Faculty of Health and Medical Sciences University of Copenhagen Copenhagen Denmark
5. Clinical Metabolomics Core Facility, Clinical Biochemistry Rigshospitalet Copenhagen Denmark