1. Department of Surgery, Division of Vascular and Endovascular Surgery; Universidade Federal de São Paulo; São Paulo Brazil
2. Evidence Based Medicine, Cochrane Brazil; Universidade Federal de São Paulo; São Paulo Brazil
3. Department of Medicine, Division of Nefrology; Universidade Federal de São Paulo; São Paulo Brazil
4. Evidence-Based Health Post-Graduation Program, Universidade Federal de São Paulo; Cochrane Brazil; Department of Physiotherapy, Universidade Paulista; São Paulo Brazil