0036-3634 0036-3634 S0036-36342021000300328 10.21149/12213 Mexico Mexico Italia 00 07 2021 00 07 2021 63 3 328 328 2020 56 4 4 2001727 2020 323 22 22 2340-1 2017 2nd Secretaría de Salud de México 2020 2020 26 11 11 2709-12