Nieto, Juan Camilo
Zamora, Carlos
Cantó, Elisabet
Garcia-Planella, Esther
Gordillo, Jordi
Ortiz, Maria Angels
Juárez, Cándido
Vidal, Silvia
Article History
Received: 12 October 2016
Accepted: 8 February 2017
First Online: 7 March 2017
Competing Interests
: The authors declare that they have no competing interests.