[1] Wake Forest University School of Medicine,Department of Internal Medicine, Section on Gerontology and Geriatric Medicine
[2] University of Wisconsin,Center for Demography of Health and Aging
[3] University of California and San Francisco VA Medical Center,Departments of Medicine and Urology
[4] University of Rochester Medical Center,Division of Hematology/Oncology, Department of Medicine
[5] James P. Wilmot Cancer Institute,Department of Biochemistry/Molecular Biology
[6] University of Oklahoma Health Sciences Center,Department of Neurology
[7] Edson College of Nursing and Health Innovation,undefined
[8] Arizona State University,undefined
[9] Columbia University Medical Center,undefined
[10] Intramural Research Program of the National Institute On Aging,undefined
[11] NIH,undefined
[12] San Francisco Coordinating Center,undefined
[13] California Pacific Medical Center Research Institute and the Department of Epidemiology and Biostatistics,undefined
[14] University of California,undefined