Article History
Received: 11 December 2017
Accepted: 8 June 2018
First Online: 13 June 2018
Compliance with ethical standards
:
: Anja Görtz-Dorten and Manfred Döpfner receive royalties from publishing companies as authors of books and treatment manuals on child behavioral therapy, and of assessment manuals, including the treatment manual for THAV, which is evaluated in this trial. Josepha Katzmann declares that she has no conflict of interest.
: All procedures performed in studies involving human participants were approved by the ethics committee of the University Hospital of Cologne and were therefore performed in accordance with the 1964 Declaration of Helsinki and its later amendments. This article does not contain any studies with animals performed by any of the authors. Informed consent was obtained from all individual participants prior to their inclusion in the study.