1. Department of Computer Science, University of Kentucky, Lexington, Kentucky
2. Division of Biomedical Informatics, Department of Internal Medicine, University of Kentucky, Lexington, Kentucky
3. Department of Health Policy and Informatics, Tokyo Medical and Dental University, Tokyo, Japan
4. Division of Nephrology, Bone and Mineral Metabolism, Department of Internal Medicine, University of Kentucky, Lexington, Kentucky
5. Division of Nephrology, Department of Internal Medicine, University of Alabama at Birmingham, Birmingham, Alabama