Martinez, Xavier
Pozuelo, Marta
Pascal, Victoria
Campos, David
Gut, Ivo
Gut, Marta
Azpiroz, Fernando
Guarner, Francisco
Manichanh, Chaysavanh
Article History
Received: 8 December 2015
Accepted: 29 April 2016
First Online: 23 May 2016
Competing interests
: The authors declare no competing financial interests.