1. Department of General Surgery, Hospitalar Centre of Médio-Ave, Vila Nova de Famalicão, Portugal
2. CINTESIS@RISE, University of Porto, Porto, Portugal
3. Faculty of Medicine of University of Porto, Porto, Portugal
4. Portuguese Institute of Oncology of Porto, Porto, Portugal
5. Department of Angiology and Vascular Surgery, Centro Hospitalar, Universitário de São João, Porto, Portugal
6. Department of Surgery and Physiology, Universidade do Porto, Porto, Portugal
7. Department of Biomedicine – Unit of Anatomy, Universidade do Porto, Porto, Portugal