1727-897X 1727-897X S1727-897X2020000500928 Cuba 00 10 2020 00 10 2020 18 5 928 932

1 World Health Organization 2020 2 Organización Mundial de la Salud 2020 3 2020 7 16 4 Chinese Society of Anesthesiology 2020 40 1 1 15 5 2020 395 497-50 6 2020 132 1307-16 7 2020 132 1289-91 8 2020 124 5 5 5 9 2020 67 9 10 World Federation of Societies of Anaesthesiologists 2019 11 Royal College of Anaesthetists 2020 12 American Society of Anesthesiologists 2020 13 2020