Gold, Stefan MStefan MGoldEnck, PaulPaulEnckHasselmann, HelgeHelgeHasselmannFriede, TimTimFriedeHegerl, UlrichUlrichHegerlMohr, David CDavid CMohrOtte, ChristianChristianOtte2020-12-102020-12-1020172215-0366https://resolver.sub.uni-goettingen.de/purl?gro-2/73282enControl conditions for randomised trials of behavioural interventions in psychiatry: a decision frameworkjournal_article10.1016/S2215-0366(17)30153-0