Wenninger, Stephan http://orcid.org/0000-0001-8407-3642
Greckl, Eva
Babačić, Haris
Stahl, Kristina
Schoser, Benedikt
Article History
Received: 4 September 2018
Revised: 29 October 2018
Accepted: 2 November 2018
First Online: 14 November 2018
Compliance with ethical standards
:
: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. On behalf of all authors, the corresponding author states that there is no conflict of interest.
: 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 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study was approved by the Ethics committee of the Ludwig-Maximilians-University Munich, Germany (vote no. 689/16).