ESCAlate: adaptive treatment approach for adolescents and adults with ADHD : study protocol for a randomized controlled trial - Zinnow, Toivo; Banaschewski, Tobias; Fallgatter, Andreas J.; Jenkner, Carolin; Philipp-Wiegmann, Florence; Philipsen, Alexandra; Retz, Wolfgang; Sobanski, Esther; Thome, Johannes; Rösler, Michael (Trials, 2018)