Brandl, Sebastian J.
Braune, Stefan http://orcid.org/0000-0002-9343-8938
Article History
Received: 13 January 2018
Accepted: 11 May 2018
First Online: 5 June 2018
Conflict of interest
: The authors declare no conflicts of interest with respect to the research, authorship, and/or publication of the article.
: The authors declare that this study has been approved by the appropriate ethics committee and have therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. All persons gave their informed consent prior to their inclusion in the study.