Edward Sutanto, Connor Miller, Danielle M. Smith, K. Michael Cummings, Anne C.K. Quah, Richard J. O’Connor, Geoffrey T. Fong, Andrew Hyland, Thomas K. Agar, David Hammond, Maciej L. Goniewicz

KMC has received payment as a consultant to Pfizer, Inc., for service on an external advisory panel to assess ways to improve sm oking cessation delivery in health care settings. KMC also has served as paid expert witness in litigation filed against the tobac co industry. GTF has served as an expert witness on behalf of governments in litigation involving the tobacco industry. MLG has received a r esearch grant from Pfizer and served as a member of scientific advisory board to Johnson & Johnson. All other authors have no conflic ts of interest to declare.