Authors: Jason Grebely; Julie Bruneau; Jeffrey V Lazarus; Olav Dalgard; Philip Bruggmann; Carla Treloar; Matthew Hickman; Margaret Hellard; Teri Roberts; Levinia Crooks; Håvard Midgard; Sarah Larney; Louisa Degenhardt; Hannu Alho; Jude Byrne; John F Dillon; Jordan J Feld; Graham Foster; David Goldberg; Andrew R Lloyd; Jens Reimer; Geert Robaeys; Marta Torrens; Nat Wright; Icro Maremmani; Brianna L Norton; Alain H Litwin; Gregory J Dore Journal: Int J Drug Policy Date: 2017-07-03