Patelis, N., 3rd Department of Vascular Surgery, Athens Medical Center, Greece, National & Kapodistrian University of Athens, Greece; Bisdas, T., 3rd Department of Vascular Surgery, Athens Medical Center, Greece; Jing, Z., Vascular surgery department, First affiliated hospital to Navy medical university, Shanghai, China; Feng, J., Vascular surgery department, First affiliated hospital to Navy medical university, Shanghai, China; Trenner, M., Klinikum rechts der Isar, School of Medicine, Technical University of Munich, Germany; Tri Nugroho, N., Faculty of Medicine University of Indonesia - Cipto Mangunkusumo National Hospital, Indonesia; Reis, P.E.O., Federal University Fluminense, Brazil; Elkouri, S., Centre Hospitalier de l'Université de Montréal, Canada; Lecis, A., Centre Hospitalier de Troyes, France; Karam, L., Hotel Dieu de France Hospital, Lebanon; Roux, D.L., University of the Witwatersrand, South Africa; Ionac, M., University of Medicine and Pharmacy, Romania; Berczeli, M., Semmelweis University, Hungary; Jongkind, V., Amsterdam University Medical Center, Netherlands; Yeung, K.K., VU Medical Center, Netherlands; Katsargyris, A., National & Kapodistrian University of Athens, Greece, Paracelsus Medical University, Klinikum Nurenberg, Germany; Avgerinos, E., National & Kapodistrian University of Athens, Greece, University of Pittsburgh Medical Center, United States; Moris, D., Duke University Medical Center, United States; Choong, A., National University of Singapore, Singapore; Ng, J.J., National University of Singapore, Singapore; Cvjetko, I., University Hospital Merkur, Croatia; Antoniou, G.A., Pennine Acute Hospitals NHS TrustUK, United Kingdom; Ghibu, P., University Hospital HairmyresUK, United Kingdom; Svetlikov, A., University Hospital HairmyresUK, United Kingdom; Pedrajas, F.G., Vascular & endovascular surgery Center, National Scientific-Clinical Memorial Hospital, ``Professor I.I. Mechnikov'', North-Western Medical University, Russian Federation; Ebben, H.P., Hospital Quironsalud Málaga, Spain; Stepak, H., Poznan University of Medical Sciences, Poland; Chornuy, A., Ternopil University Clinic, Ukraine; Kostiv, S., Ternopil University Clinic, Ukraine; Ancetti, S., University of Bologna, Italy; Tadayon, N., Shahid Beheshti University of Medical Sciences, Iran; Mekkar, A., CHU Titi Ouzou, Algeria; Magnitskiy, L., Pirogov City Hospital No1, Russian Federation; Fidalgo-Domingos, L., Hospital Clínico Universitario de Valladolid, Spain; Matheiken, S., Bedford Hospital NHS TrustUK, United Kingdom; Rosello, E.S.S., Universidad de la Republica, Uruguay; Isik, A., Erzincan Binali Yildirim University, Turkey; Kirkilesis, G., National & Kapodistrian University of Athens, Greece; Kakavia, K., National & Kapodistrian University of Athens, Greece; Georgopoulos, S., National & Kapodistrian University of Athens, Greece