1. Department of Internal Medicine; Cardiovascular Research Institute; The University of Kansas Medical Center; 3901 Rainbow Boulevard Kansas City KS USA
2. Department of Dietetics and Nutrition; The University of Kansas Medical Center; Kansas City KS USA
3. Department of Internal Medicine; The University of Kansas Medical Center; Kansas City KS USA
4. Department of Health Policy and Management; The University of Kansas Medical Center; Kansas City KS USA
5. Department of Kinesiology and Health Education; Southern Illinois University Edwardsville; Vadalabene Center; Edwardsville IL USA
6. Department of Biostatistics; The University of Kansas Medical Center; Kansas City KS USA
7. Center for Research Methods and Data Analysis; The University of Kansas; Lawrence KS USA