0036-3634 0036-3634 S0036-36342018000200006 10.21149/8561 México Mexico Mexico México 00 04 2018 00 04 2018 60 2 119 120 1 2013 13 1063 2 2017 3 2016 50 18 18 1109-14 4 2013 9 CD010392 5 2013 9 CD010395 6 2013 7 2015 49 24 24 1598