english: This article was written in collaboration with Diego Casaes, Elisa Thiago, João Miguel Lima, Luís Henrique, Paula Góes and Raphael Tsavkko.
non_english: Alla stesura di questo post hanno collaborato Diego Casaes, Elisa Thiago, João Miguel Lima, Luís Henrique, Paula Góes e Raphael Tsavkko.