1 Postdoctoral research fellow, Section of Endocrinology, Diabetes, Nutrition and Weight Management, Department of Medicine, Boston University School of Medicine, Boston, Mass.
2 Research assistant professor, Section of Endocrinology, Diabetes, Nutrition and Weight Management, Department of Medicine, Boston University School of Medicine, Boston, Mass.
3 Professor emeritus, Departments of Medicine, Community Health Sciences, and Oncology, Cumming School of Medicine, The University of Calgary, Calgary, Alta.
4 Professor, Section of Endocrinology, Diabetes, Nutrition and Weight Management, Department of Medicine, Boston University School of Medicine, Boston, Mass.