Bullich, Gemma
Trujillano, Daniel
Santín, Sheila
Ossowski, Stephan
Mendizábal, Santiago
Fraga, Gloria
Madrid, Álvaro
Ariceta, Gema
Ballarín, José
Torra, Roser
Estivill, Xavier
Ars, Elisabet
Article History
Received: 27 May 2014
Revised: 14 October 2014
Accepted: 16 October 2014
First Online: 19 November 2014
Competing interests
: The authors declare no conflict of interest.