title: Data on cannabis use now that legalization is gaining momentum.
authors.affiliation: Erasmus School of Economics, Erasmus University Rotterdam, the Netherlands.
authors.forename: Jan C
authors.initials: JC
authors.lastname: van Ours
mesh_terms: D002188:Cannabis; D006213:Hallucinogens; D007880:Legislation, Drug; D008385:Marijuana Smoking
chemical_list: D006213:Hallucinogens
keywords: Age of onset; cannabis legalization; cannabis supply; cannabis use; data collection; dynamics in cannabis use