1 Angiology and Vascular Surgery Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal. Electronic address: 11414@chuc.min-saude.pt.
2 Vascular Surgery and Transplantation, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal.
3 Angiology and Vascular Surgery Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal.