Pérez-Sanpablo, A I
Quinzaños-Fresnedo, J
Loera-Cruz, R
Quiñones-Uriostegui, I
Rodriguez-Reyes, G
Pérez-Zavala, R
Article History
Received: 11 April 2016
Revised: 28 December 2016
Accepted: 5 January 2017
First Online: 28 February 2017
Competing interests
: The authors declare no conflict of interest.
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