Affiliation: | 1. Division of Vascular Surgery, Hospital das Clínicas, University of S?o Paulo Medical School, , S?o Paulo, Brazil;2. Department of Vascular Surgery, Hospital Israelita Albert Einstein, , S?o Paulo, SP, Brazil;3. Department of Pediatrics, Hospital Israelita Albert Einstein, , S?o Paulo, SP, Brazil;4. Department of Vascular and Endovascular Surgery, Hospital Israelita Albert Einstein, , S?o Paulo, Brazil;5. Department of Thoracic Surgery, Hospital das Clínicas, University of S?o Paulo Medical School, , S?o Paulo, Brazil |