Author information:
(1)From the Department of Preventive Medicine and Biometrics (A.I.S.), Uniformed 
Services University, Bethesda; National Institute on Aging (A.I.S., M.G., 
L.J.L.), Laboratory of Epidemiology and Population Sciences, Bethesda, MD; 
Veterans Affairs Pacific Islands Health Care System (G.W.R.), Honolulu; Pacific 
Health Research & Education Institute (G.W.R.), Honolulu, HI; Icelandic Heart 
Association (S. Sigurdsson, V.G.), Kopavogur; School of Health Sciences (L.S.G.) 
and Faculty of Medicine (V.G.), University of Iceland, Reykjavik; Department of 
Neurology (S. Sveinbjörnsdóttir), Broomfield Hospital, UK; and Department of 
Physical Medicine and Rehabilitation (A.K.W.), University of Pittsburgh, PA. 
ascher@usuhs.mil.
(2)From the Department of Preventive Medicine and Biometrics (A.I.S.), Uniformed 
Services University, Bethesda; National Institute on Aging (A.I.S., M.G., 
L.J.L.), Laboratory of Epidemiology and Population Sciences, Bethesda, MD; 
Veterans Affairs Pacific Islands Health Care System (G.W.R.), Honolulu; Pacific 
Health Research & Education Institute (G.W.R.), Honolulu, HI; Icelandic Heart 
Association (S. Sigurdsson, V.G.), Kopavogur; School of Health Sciences (L.S.G.) 
and Faculty of Medicine (V.G.), University of Iceland, Reykjavik; Department of 
Neurology (S. Sveinbjörnsdóttir), Broomfield Hospital, UK; and Department of 
Physical Medicine and Rehabilitation (A.K.W.), University of Pittsburgh, PA.