2631-2581 2631-2581 S2631-25812022000300012 10.46997/revecuatneurol31300012 Chile 00 12 2022 00 12 2022 31 3 12 13 2020 11 27 27 081020 2019 9 4 4 167-9 2019 8 3 3 23-7 2019 571 7766 7766 S15-7 2022 16 926538 2021 28 4 4 1199-202 2021 4 3 3 45