García-Hermoso, A
Ceballos-Ceballos, R J M
Poblete-Aro, C E
Hackney, A C
Mota, J
Ramírez-Vélez, R
Article History
Received: 6 July 2016
Revised: 14 November 2016
Accepted: 20 November 2016
First Online: 26 December 2016
Competing interests
: The authors declare no conflict of interest.