Hennemann, SeverinFarnsteiner, SylviaSander, Lasse2022-06-132022-06-132017https://openscience.ub.uni-mainz.de/handle/20.500.12030/7145engCC-BY-NC-4.0https://creativecommons.org/licenses/by-nc/4.0/150 Psychologie150 PsychologyInternet- and mobile-based aftercare and follow-up for mental disorders : protocol of a systematic review and meta-analysisZeitschriftenaufsatz