Ludwigs, Kai http://orcid.org/0000-0003-2367-5345
Haese, Philipp
Sivy, Kirill
Weber, Sören
Schrömgens, Rolf
Article History
Received: 5 February 2019
Accepted: 21 May 2019
First Online: 3 June 2019
Compliance with Ethical Standards
:
: We hereby confirm that no one of the authors has any conflict of interest with this publication. Additionally, we declare that this research was conducted in line with the Declaration of Helsinki which explains all main rules for human research ethics.