Rodríguez-García, A
Svensson, E
Gil-Hoyos, R
Fajardo, C A
Rojas, L A
Arias-Badia, M
Loskog, A S I
Alemany, R
Article History
Received: 20 November 2014
Revised: 18 March 2015
Accepted: 14 April 2015
First Online: 21 May 2015
Competing interests
: The authors declare no conflict of interest.