1. Section of Cell Biology, Division of Medicine, Imperial College London, London, U.K.;
2. Universite Paris Descartes, INSERM U845, Pediatric Endocrinology, Hopital Necker Enfants Malades Paris, Paris, France;
3. Department of Endocrinology and Diabetes, Lariboisière Hospital, University Paris-Diderot Paris-7, Paris, France;
4. Centre National de la Recherche Scientifique-UMR8090, Lille Institute of Biology, Lille 2 University, Pasteur Institute, Lille, France;
5. Department of Endocrinology and Diabetes, Clinical Investigation Center CIC9504, Saint-Louis Hospital, INSERM, U872, University Paris-Diderot Paris-7, Paris, France;
6. Hagedorn Research Institute and Steno Diabetes Center, Gentofte, Denmark;
7. Faculty of Health Science, University of Aarhus, Aarhus, Denmark;
8. Institute of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark;
9. Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark;
10. Genomic Medicine, Hammersmith Hospital, Imperial College, London, U.K.