1. Department of Orthopedics and Traumatology, FMUSP, University of São Paulo, Sao Paulo, Brazil
2. Hospital Municipal José de Carvalho Florence, São Jose dos Campos, SP, São Paulo, Brazil
3. Department of Orthopedics and Rehabilitation, Carver College of Medicine, University of Iowa (UIOWA), Iowa City, IA, USA
4. Department of Orthopedics and Traumatology, Escola Paulista de Medicina, UNIFESP, São Paulo, Brazil