Gonzalez-Franco, Mar http://orcid.org/0000-0001-6165-4495
Maselli, Antonella
Florencio, Dinei
Smolyanskiy, Nikolai
Zhang, Zhengyou
Article History
Received: 26 January 2017
Accepted: 11 May 2017
First Online: 19 June 2017
Competing Interests
: The authors declare that they have no competing interests.