0212-1611 0212-1611 S0212-16112023000400001 10.20960/nh.04760 Spain 00 06 2023 00 06 2023 40 3 467 468 1 WHO 2022 2 2022 69 868-77 3 2016 33-9 4 2023 40 3 3 543-50 5 2023 40 3 3 521-8 6 2018 37 4 4 924-33 7 2008 16 2 2 80-6 8 2020 75 2 2 274-89 9 2022 22