1. Professor of Medicine and Molecular Sciences, Maston K. Callison Professor of Medicine; The University of Tennessee Health Science Center; Memphis TN USA
2. Professor of Medicine, Department of Medicine, Division of Endocrinology and Metabolism; Emory University School of Medicine, Chief of Diabetes and Endocrinology, Grady Health System; Atlanta GA USA
3. Research Nurse Director; The University of Tennessee Health Science Center; Memphis TN USA