1. Oxford Centre for Diabetes, Endocrinology & Metabolism, Churchill Hospital, Oxford, United Kingdom
2. Institut Camille Jordan, CNRS UMR 5208, University of Lyon, Villeurbanne, France
3. Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden
4. Department of Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, Stockholm, Sweden