Fitzner, Martin http://orcid.org/0000-0001-6790-4301
Sosso, Gabriele C.
Pietrucci, Fabio
Pipolo, Silvio
Michaelides, Angelos
Article History
Received: 26 June 2017
Accepted: 17 November 2017
First Online: 22 December 2017
Competing interests
: The authors declare no competing financial interests.