%0 Journal Article %T Efficacy and cost-effectiveness of two online interventions for children and adolescents at risk for depression (E.motion trial): study protocol for a randomized controlled trial within the ProHEAD consortium %A Christine Rummel-Kluge %A Elisabeth Kohls %A Elke Vo£¿ %A Hans Joachim Salize %A Heike Eschenbeck %A Katja Becker %A Markus Moessner %A Michael Kaess %A Sabrina Baldofski %A Sally Bilic %A Silke Diestelkamp %A Stephanie Bauer %A the ProHEAD consortium %J Archive of "Trials". %D 2019 %R 10.1186/s13063-018-3156-8 %X The online version of this article (10.1186/s13063-018-3156-8) contains supplementary material, which is available to authorized users %K Depression %K Depressive symptoms %K Children %K Adolescents %K Adolescence %K Prevention %K Internet-based %K Psychological intervention %K Self-management %K ProHEAD %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6334409/