Girnth, Simon http://orcid.org/0000-0002-7769-1028
Koopmann, Julian http://orcid.org/0000-0003-0607-8557
Klawitter, Günter
Waldt, Nils
Niendorf, Thomas http://orcid.org/0000-0003-2622-5817
Article History
Received: 10 September 2018
Accepted: 25 April 2019
First Online: 6 May 2019
Compliance with ethical standards
:
: On behalf of all authors, the corresponding author states that there is no conflict of interest associated with this script.