title: The future is now--using personal cellphones to gather data on substance use and related factors.
authors.affiliation: Addiction Switzerland, Research Institute, Lausanne, Switzerland. ekuntsche@addictionsuisse.ch.
authors.forename: Emmanuel
authors.initials: E
authors.lastname: Kuntsche
authors.forename: Florian
authors.initials: F
authors.lastname: Labhart
mesh_terms: D040421:Cell Phone; D006801:Humans; D012106:Research; D019966:Substance-Related Disorders / Q000453:epidemiology*
keywords: Dedicated application; ICAT; ecological momentary assessment; experience sampling; multi-media; recall bias; smartphones; survey development