[1] CDCP, Cardiovasc Hlth Branch, Natl Ctr Chron Dis Prevent & Hlth Promot, Div Adult & Community Hlth, Atlanta, GA 30341 USA
[2] CDCP, Epidem Intelligence Serv, Div Appl Publ Hlth Training, Epidemiol Program Off, Atlanta, GA 30341 USA
[3] CDCP, Community Hlth & Program Serv Branch, Div Adult & Community Hlth, Natl Ctr Chron Dis Prevent & Hlth Promot, Atlanta, GA 30341 USA
[4] Univ Maryland, Dept Neurol, Baltimore, MD 21201 USA
[5] Univ Maryland, Dept Epidemiol & Prevent Med, Baltimore, MD 21201 USA
[6] Dept Vet Affairs Med Ctr, Ctr Geriatr Res Educ & Clin, Baltimore, MD USA
[7] CDCP, Off Director, Natl Ctr Chron Dis Prevent & Hlth Promot, Atlanta, GA 30341 USA