Trinidad Hospital, San Isidro, Buenos Aires, Argentina; Chief of Vascular Surgery, Hospital Malvinas Argentinas, Buenos Aires, Argentina. Trinidad Hospital, San Isidro, Buenos Aires, Argentina; Chief of Vascular Surgery, Trinidad Hospital, Buenos Aires, Argentina; Adjunct Professor of Surgical Research, University of Michigan School of Medicine, Ann Arbor, MI; Honorary Professor University of Buenos Aires School of Medicine, CABA, Argentina. Electronic address: parodijc@yahoo.com. Trinidad Hospital, San Isidro, Buenos Aires, Argentina; Chief of Physical Therapy, Hospital Malvinas Argentinas, Buenos Aires, Argentina. Trinidad Hospital, San Isidro, Buenos Aires, Argentina; Adjunct Professor of Cardiology, University of Buenos Aires School of Medicine, Buenos Aires, Argentina.