%0 Journal Article %T The Back2School modular cognitive behavioral intervention for youths with problematic school absenteeism: study protocol for a randomized controlled trial %A Daniel Bach Johnsen %A David A. Heyne %A Johanne Jeppesen Lomholt %A Mikael Thastum %A Pia Jeppesen %A Wendy K. Silverman %J Archive of "Trials". %D 2019 %R 10.1186/s13063-018-3124-3 %X The online version of this article (10.1186/s13063-018-3124-3) contains supplementary material, which is available to authorized users %K School absenteeism %K Cognitive behavioral therapy %K Transdiagnostic %K Randomized controlled trial %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6325742/