1. Vascular Surgery, Santa Casa de Sao Paulo School of Medical Sciences, São Paulo, Brazil
2. Vascular Surgery, Hospital e Maternidade Dr. Christóvão da Gama, Santo André, São Paulo, Brazil
3. Hemostasis & Thrombosis Research Laboratories at Loyola University Medical Center, Maywood, IL, USA
4. Vascular Surgery, Faculty of Medicine, University of São Paulo, São Paulo, Brazil