1. Department of Medicine, Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's HospitalHarvard Medical School Boston Massachusetts
2. Novo Nordisk A/S Søborg Denmark
3. Department of Medicine, Division of Endocrinology and Metabolism, Diabetes Care CenterUniversity of North Carolina School of Medicine Chapel Hill North Carolina
4. Department of Health Sciences, Diabetes Research CentreUniversity of Leicester Leicester UK