[1] Virginia Commonwealth Univ, Sch Nursing, Dept Adult Hlth & Nursing Syst, 1100 E Leigh St, Richmond, VA 23298 USA
[2] Virginia Commonwealth Univ, Sch Nursing, Dept Family & Community Hlth Nursing, 1100 E Leigh St, Richmond, VA 23298 USA
[3] Virginia Commonwealth Univ, Sch Med, Dept Biostat, Box 980032, Richmond, VA 23298 USA
[4] NSABP Fdn Inc, Pittsburgh, PA 15212 USA
[5] Med Coll Wisconsin, Dept Psychiat, 8701 Watertown Plank Rd, Milwaukee, WI 53226 USA
[6] Med Coll Wisconsin, Dept Med, 8701 Watertown Plank Rd, Milwaukee, WI 53226 USA
[7] Med Coll Wisconsin, Dept Microbiol & Immunol, 8701 Watertown Plank Rd, Milwaukee, WI 53226 USA
[8] Virginia Commonwealth Univ, Richard T Robertson Sch Media & Culture, Box 842034, Richmond, VA 23284 USA