0213-9111 0213-9111 S0213-91112018000600016 10.1016/j.gaceta.2018.03.004 España 00 12 2018 00 12 2018 32 6 582 583

1 2008 2 2016 3-78 3 2015 4 WHO 2018 5 6 1971 49 509-38 7 2001 8 1965 9 2001 4 63-79