1 Department of Vascular Surgery, Hospital Universitari Germans Trias i Pujol, Badalona, Facultad de Medicina, Universitat Autónoma de Barcelona, Badalona, Spain. Electronic address: paltesmas@gmail.com.
2 Department of Vascular Surgery, Hospital Universitari Germans Trias i Pujol, Badalona, Facultad de Medicina, Universitat Autónoma de Barcelona, Badalona, Spain.