Nakayama, Shinnosuke http://orcid.org/0000-0002-1048-1202
Ruiz MarÃn, Manuel http://orcid.org/0000-0001-9228-6410
Camacho, Maximo http://orcid.org/0000-0003-3158-5614
Porfiri, Maurizio http://orcid.org/0000-0002-1480-3539
Article History
Received: 25 July 2017
Accepted: 17 October 2017
First Online: 6 November 2017
Competing Interests
: The authors declare that they have no competing interests.