1. Instituto de Ortopedia e Traumatologia, Hospital das Clinicas, HCFMUSP, Faculdade de Medicina Universidade de Sao Paulo Sao Paulo Brazil
2. Department of Orthopedic Surgery, Center for Cartilage Repair and Sports Medicine, Harvard Medical School Brigham and Women's Hospital Boston Massachusetts USA
3. Department of Medicine, Division of Pulmonary and Critical Care Medicine, Harvard Medical School Brigham and Women's Hospital Boston Massachusetts USA
4. Laboratório de Poluição Atmosférica Experimental LIM05, Hospital das Clínicas HCFMUSP, Faculdade de Medicina Universidade de São Paulo (USP) São Paulo Brazil