Ullrich, Bernhard Wilhelm
Schenk, Philipp http://orcid.org/0000-0002-3610-2469
Spiegl, Ulrich J.
Mendel, Thomas
Hofmann, Gunther Olaf
Article History
Received: 15 December 2017
Accepted: 24 September 2018
First Online: 19 October 2018
Compliance with ethical standards
:
: The author(s) declare no potential conflicts of interest with respect to the research, authorship and/or publication of this article.