Scigaj, Mateusz
Dix, Nico
Gázquez, Jaume
Varela, María
Fina, Ignasi
Domingo, Neus
Herranz, Gervasi
Skumryev, Vassil
Fontcuberta, Josep
Sánchez, Florencio
Article History
Received: 22 February 2016
Accepted: 29 July 2016
First Online: 23 August 2016
Competing interests
: The authors declare no competing financial interests.