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Shams, Farhud and Tai, Andy M Y and Kim, Jane and Boyd, Marisha and Meyer, Maximilian and Kazemi, Alireza and Krausz, Reinhard Michael (2023) Adherence to e-health interventions for substance use and the factors influencing it: systematic review, meta-analysis, and meta-regression. Digital Health, 9, 20552076231203876. doi: 10.1177/20552076231203876.