[1] Virginia Polytech Inst & State Univ, Translat Biol Med & Hlth Program, Blacksburg, VA 24061 USA
[2] Virginia Polytech Inst & State Univ, VA MD Coll Vet Med, Dept Populat Hlth Sci, 205 Duck Pond Dr, Blacksburg, VA 24061 USA
[3] Univ Alabama Birmingham, Sch Med, Div Prevent Med, Birmingham, AL 35233 USA
[4] Univ Alabama Birmingham, Ctr Study Community Hlth, Birmingham, AL 35233 USA
[5] West Cent Alabama Community Hlth Improvement Leag, Camden, AL 36726 USA
[6] Friends West End, Birmingham, AL 35228 USA