2182-2395 2182-2395 S2182-23952020000400082 10.29021/spdv.78.4.1259 Portugal Portugal 30 12 2020 30 12 2020 78 4 82 84 1 2019 7 1754-6 2 2019 20 1369-72 3 2019 11 4 2018 8 52 5 2015 6 336-8