[1] Tennessee Valley Healthcare Syst, GRECC, Nashville VA Med Ctr, Nashville, TN 37212 USA
[2] St Thomas Med Grp, Nashville, TN USA
[3] Tennessee Valley Healthcare Syst, VA Natl Qual Scholars Fellowship Program, Nashville, TN 37212 USA
[4] Tennessee Valley Healthcare Syst, HSD&D Targeted Res Enhancement Program, Ctr Patient Healthcare Behav, Nashville, TN 37212 USA
[5] Tennessee Valley Healthcare Syst, Clin Res Training Ctr Excellence, Nashville, TN 37212 USA
[6] Vanderbilt Univ, Med Ctr, Dept Med, Nashville, TN USA
[7] Vanderbilt Univ, Med Ctr, Dept Biostat, Nashville, TN USA
[8] Vanderbilt Univ, Med Ctr, Dept Prevent Med, Nashville, TN USA
[9] Emory Univ, Dept Med, Div Cardiol, Atlanta, GA 30322 USA