Czoli Christine D, Goniewicz Maciej L, Palumbo Mary, White Christine M, Hammond David
School of Public Health & Health Systems, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada.
Department of Health Behavior, Division of Cancer Prevention and Population Sciences, Roswell Park Cancer Institute, Carlton House A320, Elm & Carlton Streets, Buffalo, New York 14263, USA.
Int J Drug Policy. 2018 Aug;58:9-12. doi: 10.1016/j.drugpo.2018.04.001. Epub 2018 May 4.