[1] Georgia Hlth Sci Univ, Gynecol Canc Prevent Ctr, Augusta, GA 30912 USA
[2] Georgia Hlth Sci Univ, Dept Family Med, Augusta, GA 30912 USA
[3] Georgia Hlth Sci Univ, Dept Obstet & Gynecol, Augusta, GA 30912 USA
[4] Georgia Hlth Sci Univ, Dept Biostat, Augusta, GA 30912 USA