Balaghi, Leila http://orcid.org/0000-0001-7125-7223
Bussone, Genziana
Grifone, Raphael
Hübner, René
Grenzer, Jörg
Ghorbani-Asl, Mahdi http://orcid.org/0000-0003-3060-4369
Krasheninnikov, Arkady V.
Schneider, Harald http://orcid.org/0000-0002-8060-8504
Helm, Manfred
Dimakis, Emmanouil http://orcid.org/0000-0002-7546-0621
Article History
Received: 19 October 2018
Accepted: 20 May 2019
First Online: 26 June 2019
Competing interests
: The authors declare no competing interests.