1816-8949 1816-8949 S1816-89492021000100013 10.18004/anales/2021.054.01.13 Paraguay Paraguay 00 04 2021 00 04 2021 54 1 13 20 1 Organización Mundial de la Salud 2020 2 2020 3 2020 53 2 2 87-104 4 2020 12 8 8 258 5 2020 6 Pediatric Intensive Care Society 2020 7 2020 8 2020