Martínez-Hidalgo, Pilar
Galindo-Villardón, Purificación
Trujillo, Martha E.
Igual, José M.
Martínez-Molina, Eustoquio
Article History
Received: 5 June 2014
Accepted: 18 August 2014
First Online: 17 September 2014
Change Date: 11 February 2015
Change Type: Update
Change Details: A correction has been published and is appended to both the HTML and PDF versions of this paper. The error has been fixed in the paper.
Competing interests
: The authors declare no competing financial interests.