1 Hospital de Santa Marta, Unidade Local de Saúde São José, Centro Clínico; Académico de Lisboa, Lisbon, Portugal; NOVA Medical School|Faculdade de Ciências Médicas, NMS|FCM, Universidade Nova de Lisboa, Lisbon, Portugal; Hospital CUF Tejo, Lisbon, Portugal. Electronic address: f.bastosgoncalves@nms.unl.pt.
2 Department of Vascular Surgery, Maastricht UMC, Maastricht, The Netherlands.
3 Department of Vascular Surgery, Helsinki University Hospital and University of Helsinki, Helsinki, Finland.