1. Department of Epidemiology and Biostatistics; SUNY Downstate School of Public Health; Brooklyn NY U.S.A.
2. Geriatrics Research Education & Clinical Center (GRECC); Tennessee Valley Healthcare System (TVHS), Veteran's Health Administration; Nashville TN U.S.A.
3. Vanderbilt University School of Medicine; Department of Biomedical Informatics; TN U.S.A.
4. Department of Cardiology; Lahey Clinic; Burlington MA U.S.A.