1. Division of Rheumatology Immunology, Department of Medicine The Ohio State University McCampbell Hall, 1581 Dodd Drive, Room 505 Columbus OH 43210 USA
2. Center for Biostatistics, Department of Biomedical Informatics The Ohio State University Columbus OH USA
3. Center for Clinical & Translational Science The Ohio State University Columbus OH USA
4. Northeast Georgia Diagnostic Clinic Gainesville GA USA
5. Department of Human Sciences The Ohio State University Columbus OH USA
6. Division of Physiology & Metabolism, Department of Nutrition Sciences University of Alabama at Birmingham Birmingham AL USA