[1] Oregon State Univ, Sch Psychol Sci, Corvallis, OR 97331 USA
[2] Fred Hutchinson Canc Res Ctr, Div Publ Hlth Sci, 1124 Columbia St, Seattle, WA 98104 USA
[3] Univ Texas Austin, Dept Kinesiol & Hlth Educ, Austin, TX 78712 USA
[4] Univ Calif San Francisco, Ctr Tobacco Control Res & Educ, San Francisco, CA 94143 USA
[5] Roswell Park Comprehens Canc Ctr, Dept Hlth Behav, Div Canc Prevent & Control, Buffalo, NY USA
[6] Dana Farber Canc Inst, Div Populat Sci, Ctr Community Based Res, 375 Longwood Ave,662, Boston, MA 02215 USA
[7] Harvard TH Chan Sch Publ Hlth, Dept Social & Behav Sci, Boston, MA USA
[8] Stanford Univ, Dept Med, Stanford Prevent Res Ctr, Stanford, CA 94305 USA