1 NOVA Medical School|Faculdade de Ciências Médicas, NMS|FCM, Universidade Nova de Lisboa, Lisbon, Portugal; Hospital de Santa Marta, Centro Hospitalar Universitário de Lisboa Central, Lisbon, Portugal; Hospital CUF Tejo, Lisbon, Portugal. Electronic address: f.bastosgoncalves@nms.unl.pt.
2 Vascular Surgery Department, Hospital Santa Maria, Centro Hospitalar Universitário Lisboa Norte (CHULN), Lisbon, Portugal; Faculty of Medicine, University of Lisbon, Lisbon, Portugal.