1. Division of Metabolism, Endocrinology, and Diabetes, Department of Medicine, University of Michigan, Ann Arbor, Michigan
2. Regional Centre for Endocrinology and Diabetes, Royal Victoria Hospital, Belfast, Northern Ireland
3. Department of Pathology, Yale School of Medicine, New Haven, Connecticut
4. Department of Clinical Pathology, Cleveland Clinic, Cleveland, Ohio
5. Quantitative Health Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio
6. Department of Endocrinology, Medical Subspecialties Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, United Arab Emirates
7. Department of Endocrinology, Diabetes and Metabolism, Cleveland Clinic, Cleveland, Ohio