[1] Univ S Carolina, Arnold Sch Publ Hlth, Canc Prevent & Control Program, Columbia, SC 29208 USA
[2] Univ S Carolina, Arnold Sch Publ Hlth, Dept Epidemiol & Biostat, Columbia, SC 29208 USA
[3] Univ S Carolina, Coll Nursing, Columbia, SC 29208 USA
[4] Univ S Carolina, Arnold Sch Publ Hlth, Dept Hlth Promot Educ & Behav, Columbia, SC 29208 USA
[5] Calif State Univ Fresno, Dept Publ Hlth, Fresno, CA 93740 USA
[6] South Carolina Primary Hlth Care Assoc, Columbia, SC 29203 USA
[7] Univ Colorado Denver, Sch Med, Denver, CO 80045 USA
[8] Univ Colorado Denver, Colorado Hlth Outcomes Res Program, Denver, CO 80045 USA
[9] Harvard Univ, Sch Publ Hlth, Dept Social & Behav Sci, Boston, MA 02115 USA
[10] Dana Farber Canc Inst, Ctr Community Based Res, Boston, MA 02215 USA
[11] Univ S Carolina, Arnold Sch Publ Hlth, Dept Hlth Serv Policy & Management, Columbia, SC 29208 USA
[12] Univ Washington, Div Gen Internal Med, Seattle, WA 98104 USA