[1] Augusta Univ, Div Epidemiol, Dept Populat Hlth Sci, Augusta, GA 30912 USA
[2] Augusta Univ, Dept Med, Canc Prevent Control & Populat Hlth Program, Augusta, GA 30912 USA
[3] Augusta Univ, Med Coll Georgia, Inst Prevent & Publ Hlth, Augusta, GA 30912 USA
[4] St Louis Univ, Dept Behav Sci & Hlth Educ, St Louis, MO 63103 USA
[5] Augusta Univ, Dept Pathol, Sect Anat Pathol, Augusta, GA 30912 USA
[6] Augusta Univ, Dept Family Med, Augusta, GA 30192 USA