1 Department of Vascular Surgery, Ludwig-Maximilians University Hospital, Munich, Germany; Vascular Surgery, Department of Experimental, Diagnostic and Specialty Medicine, IRCCS Sant'Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy.
2 Vascular Surgery, Department of Experimental, Diagnostic and Specialty Medicine, IRCCS Sant'Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy.
3 Department of Vascular Surgery, Ludwig-Maximilians University Hospital, Munich, Germany.