0138-6557 0138-6557 S0138-65572023000400043 Cuba Cuba Cuba Ecuador 00 12 2023 00 12 2023 52 4 1 2023 19 8 8 1236-42 2 2022 127 1 1 3 2020 99 7 7 769-74 4 2022 10 7 7 1269-328