Error in Table 1

In the Original Investigation titled “Association Between Marijuana Use and Risk of Cancer: A Systematic Review and Meta-analysis,”¹ published November 27, 2019, there was an error in the “comments” column of Table 1 regarding the study by Sidney et al. The comment should have appeared as “Minimal exposure, short follow-up period of 8.6 y.” This article has been corrected.¹