1. Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen's University Belfast, Northern Ireland, United Kingdom.
2. Division of Endocrinology, Diabetes, and Metabolic Diseases, Department of Medicine, Medical University of South Carolina, Charleston, South Carolina, USA.
3. Diabetes Free South Carolina, BlueCross BlueShield of South Carolina, Columbia, South Carolina, USA.