Affiliation: | 1. Department of Preventive Medicine, University of Mississippi Medical Center, Jackson, Mississippi;2. Center of Biostatistics and Bioinformatics, University of Mississippi Medical Center, Jackson, Mississippi;3. Department of Neurology, University of Mississippi Medical Center, Jackson, Mississippi;4. Mayo Clinic, Rochester, Minnesota;5. Division of Geriatrics, Department of Medicine, University of Mississippi Medical Center, Jackson, Mississippi |