1. Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical SciencesUniversity of Copenhagen Copenhagen Denmark
2. Section of Integrative Physiology and MetabolismJoslin Diabetes Center and Harvard Medical School Boston Massachusetts USA
3. Department of Molecular Medicine and SurgeryKarolinska Institutet Stockholm Sweden
4. Department of Physiology and PharmacologyKarolinska Institutet Stockholm Sweden
5. Diabetes Research UnitNovo Nordisk A/S Måløv Denmark