Received: 4 April 2019
Accepted: 4 May 2020
First Online: 6 July 2020
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the Declaration of Helsinki from 1964 and its later amendments or comparable ethical standards. This article does not contain any studies with animals performed by any of the authors. Written Informed consent was and will be obtained from all individual participants included in the study. The study is registered with the German Registry for Clinical Studies (DRKS00013539), was approved by the local ethics committee (Deutsche Gesellschaft für Psychologie; LJ112017). Any changes to the study protocol will also be changed in the German Registry for Clinical Studies.
: Not applicable.
: The authors declare that they have no competing interests.