1. Division of Endocrinology and Metabolism, Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, Iowa
2. Division of Cardiovascular Medicine, Department of Internal Medicine, University of California, Davis, California
3. Department of Health and Human Physiology, Obesity Research and Education Initiative, Fraternal Order of Eagles (F.O.E.) Diabetes Research Center, Abboud Cardiovascular Research Center, Pappajohn Biomedical Institute, The University of Iowa, Iowa City, Iowa