1. General Surgery Department, Hospital do Divino Espírito Santo, de Ponta Delgada, Portugal
2. General Surgery Department, Centro Hospitalar Universitário, de Coimbra, Portugal
3. Pathologic Anatomy Department, Hospital do Divino Espírito Santo, de Ponta Delgada, Portugal
4. Urology Department, Hospital do Divino Espírito Santo, de Ponta Delgada, Portugal