[1] Gen Hosp Nikaia, Dept Med, Athens, Greece
[2] Univ Cincinnati Hlth, Dept Med, Cincinnati, OH USA
[3] Yale Univ, Yale New Haven Hosp, Sch Med, Sect Cardiovasc Med, New Haven, CT USA
[4] GRN Hosp Weinheim, Weinheim, Germany
[5] Vasc Ctr Arnsberg, Arnsberg, Germany
[6] Indiana Univ, Hlth Ball Mem Hosp, Dept Vasc & Endovasc Surg, Weinheim, Germany