1. Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD
2. Center for Biostatistics, Department of Biomedical Informatics, The Ohio State University Wexner Medical Center, Columbus, OH
3. Department of Biostatistics and Bioinformatics, Duke University, Durham, NC
4. Duke Clinical Research Institute, Duke University, Durham, NC
5. Division of Endocrinology, Diabetes and Metabolism, Department of Internal Medicine, The Ohio State University Wexner Medical Center, Columbus, OH