Disclosure statement
No potential conflict of interest was reported by the author(s).
Additional information
Notes on contributors
Claudio Bellia
Claudio Bellia holds a PhD from University of Catania (Italy). He is a Assistant Professor at the University of Catania (Italy).
Manuela Pilato
Manuela Pilato holds a PhD from University of Catania (Italy). She is a Senior Lecturer at the University of Winchester (UK).
Hugues Seraphin
Hugues Seraphin holds a PhD from Universite de Perpignan (France). He is a Senior Lecturer at the University of Winchester (UK).