Hill, Andreas http://orcid.org/0000-0002-6367-2256
Buddenbaum, Henning http://orcid.org/0000-0002-0956-5628
Mandallaz, Daniel
Article History
Received: 19 July 2017
Revised: 29 March 2018
Accepted: 27 April 2018
First Online: 12 May 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.