Fruciano, Carmelo
Franchini, Paolo
Kovacova, Viera http://orcid.org/0000-0003-4581-4254
Elmer, Kathryn R.
Henning, Frederico
Meyer, Axel http://orcid.org/0000-0002-0888-8193
Article History
Received: 23 September 2015
Accepted: 28 July 2016
First Online: 6 September 2016
Competing interests
: The authors declare no competing financial interests.