[1] Indiana Univ, Richard M Fairbanks Sch Publ Hlth, Dept Epidemiol, 714 N Senate Ave,Suite EF 209, Indianapolis, IN 46202 USA
[2] Indiana Univ, Melvin & Bren Simon Canc Ctr, Indianapolis, IN 46202 USA
[3] Indiana Univ Sch Med, Dept Biostat, Indianapolis, IN 46202 USA
[4] Indiana Univ, Sch Nursing, Indianapolis, IN 46202 USA
[5] Univ Texas Southwestern Harold C Simmons Canc Ctr, Dallas, TX USA