title: Challenges to Mediation Analysis From Experimental Designs.
authors.affiliation: Keck School of Medicine, Department of Preventive Medicine, University of Southern California, Los Angeles, CA.
authors.forename: Jon-Patrick
authors.initials: JP
authors.lastname: Allem
mesh_terms: D000329:Advertising; D003627:Data Interpretation, Statistical; D066300:Electronic Nicotine Delivery Systems; D012107:Research Design; D062789:Tobacco Products