[1] Meharry Med Coll, Dept Internal Med, 1005 DB Todd Blvd, Nashville, TN 37208 USA
[2] Vanderbilt Univ, Metro Publ Hlth Dept, Nashville, TN 37235 USA
[3] Vanderbilt Univ, Dept Psychol, Nashville, TN 37240 USA
[4] Meharry Med Coll, Dept Surg, Nashville, TN 37208 USA
[5] Matthew Walker Comprehens Hlth Ctr, Nashville, TN USA