Westermann, Leonard
Spemes, Carolin
Eysel, Peer
Simons, Marvin
Scheyerer, Max J.
Siewe, Jan
Baschera, Dominik http://orcid.org/0000-0002-9634-9922
Article History
Received: 8 December 2017
Accepted: 25 January 2018
First Online: 6 February 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The local Ethics Committee of the Medical Faculty Cologne approved the investigation (17-063)
: For this type of study, formal consent is not required.