1. Department of EpidemiologyUniversity of Alabama at Birmingham Birmingham Alabama USA
2. Division of Clinical Immunology and RheumatologyUniversity of Alabama at Birmingham Birmingham Alabama USA
3. Division of Gerontology, Geriatrics, and Palliative CareUniversity of Alabama at Birmingham Birmingham Alabama USA
4. Birmingham/Atlanta VA Medical Center Geriatric Research, Education, and Clinical Center Birmingham Alabama USA
5. Division of Preventive MedicineUniversity of Alabama at Birmingham Birmingham Alabama USA