Telma Fonseca, Department of General Surgery, Centro Hospitalar Universitário São João; Faculty of Medicine of Porto University, Porto, Portugal
Mariana Coimbra, Faculty of Medicine of Porto University, Porto, Portugal
Elisabete Barbosa, Department of General Surgery, Centro Hospitalar Universitário São João; Faculty of Medicine of Porto University, Porto, Portugal
José Barbosa, Department of General Surgery, Centro Hospitalar Universitário São João; Faculty of Medicine of Porto University, Porto, Portugal