Petzold, Moritz Bruno
Mumm, Jennifer Lara Maria
Bischoff, Sophie
Große, Julia
Plag, Jens
Brand, Ralf
Ströhle, Andreas
Article History
Received: 29 June 2018
Accepted: 30 August 2018
First Online: 8 September 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study has been approved by the local ethics committee and has, therefore been, performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: All participants gave formal written informed consent prior to their inclusion in the study.