Bruns, Heiko
Jitschin, Simon
Gamali, Sara
Saul, Domenica
Böttcher, Martin http://orcid.org/0000-0003-2911-8830
Mackensen, Andreas http://orcid.org/0000-0002-0685-4483
Jitschin, Regina
Mougiakakos, Dimitrios
Article History
Received: 20 August 2018
Accepted: 28 November 2018
First Online: 11 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.