Majzik, Zsolt http://orcid.org/0000-0002-9985-9581
Pavliček, Niko
Vilas-Varela, Manuel http://orcid.org/0000-0002-6768-5441
Pérez, Dolores http://orcid.org/0000-0003-0877-5938
Moll, Nikolaj http://orcid.org/0000-0001-5645-4667
Guitián, Enrique
Meyer, Gerhard
Peña, Diego http://orcid.org/0000-0003-3814-589X
Gross, Leo http://orcid.org/0000-0002-5337-4159
Article History
Received: 30 June 2017
Accepted: 2 February 2018
First Online: 22 March 2018
Competing interests
: The authors declare no competing interests.