1. Department of Clinical Science, Intervention and Technology Karolinska Institutet Stockholm Sweden
2. Department of Orthopaedic Surgery Karolinska University Hospital Stockholm Sweden
3. Department of Public Health and Caring Sciences, Clinical Nutrition and Metabolism Uppsala University Uppsala Sweden
4. Division of Clinical Physiology Department of Laboratory Medicine Karolinska Institutet Stockholm Sweden
5. Unit of Clinical Physiology Karolinska University Hospital Stockholm Sweden