[1] Univ Waterloo, Dept Psychol, 200 Univ Ave W, Waterloo, ON N2L 3G1, Canada
[2] Natl Canc Ctr Japan, Div Tobacco Control Policy Res, Chuo Ku, 5-1-1 Tsukiji, Tokyo 1040045, Japan
[3] Ontario Inst Canc Res, 61 Univ Ave,Suite 510, Toronto, ON M5G 0A3, Canada
[4] Univ Waterloo, Sch Publ Hlth & Hlth Syst, 200 Univ Ave W, Waterloo, ON N2L 3G1, Canada
[5] Japan Canc Soc, Chiyoda Ku, 13th Floor,Yurakucho Ctr Bldg 2-5-1, Tokyo 1000006, Japan
[6] Osaka Int Canc Inst, Canc Control Ctr, Chuo Ward, Chome-1-69 Otemae, Osaka 5418567, Japan
[7] Univ South Carolina, Arnold Sch Publ Hlth, Dept Hlth Promot Educ & Behav, Columbia, SC 29208 USA
[8] Natl Inst Publ Hlth, Ctr Populat Hlth Res, Tobacco Res Dept, Cuernavaca 62100, Morelos, Mexico