Consensus on the diagnosis and management of chronic leg ulcers - Brazilian Society of Dermatology - Abbade, Luciana Patricia Fernandes; Frade, Marco Andrey Cipriani; Pegas, José Roberto Pereira; Dadalti-Granja, Paula; Garcia, Lucas Campos; Bueno Filho, Roberto; Parenti, Carlos Eduardo Fonseca (Anais Brasileiros de Dermatologia, 2020)