[1] St Louis Univ, Sch Publ Hlth, Dept Community Hlth, St Louis, MO 63108 USA
[2] St Louis Univ, Sch Publ Hlth, Prevent Res Ctr, St Louis, MO 63108 USA
[3] Ctr Dis Control & Prevent, Div Nutr & Phys Act, Natl Ctr Chron Dis Prevent & Hlth Promot, Atlanta, GA USA
[4] Missouri Dept Hlth, Div Chron Dis Prevent & Hlth Promot, Columbia, MO USA
[5] Stanford Univ, Sch Med, Dept Hlth Res & Policy, Palo Alto, CA 94304 USA
[6] Stanford Univ, Sch Med, Dept Med, Palo Alto, CA 94304 USA
[7] San Diego State Univ, Dept Psychol, San Diego, CA 92182 USA