1. Wallenberg Laboratory, Department of Molecular and Clinical Medicine; Institute of Medicine, University of Gothenburg; Gothenburg Sweden
2. Department of Biology and Biological Engineering; Chalmers University of Technology; Gothenburg Sweden
3. Department of Radiation Physics, Institute of Clinical Sciences, Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
4. Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
5. Novo Nordisk Foundation Centre for Basic Metabolic Research, Section for Metabolic Receptology and Enteroendocrinology, Faculty of Health Sciences; University of Copenhagen; Copenhagen Denmark