Affiliation: | 1. Department of Orthopedics and Traumatology, S?o Paulo Federal University, Paulista School of Medicine, S?o Paulo, Brazil 3. Avenida Jacutinga 242, apto 114, S?o Paulo, SP, 04515-030, Brazil 2. Department of Orthopedics and Traumatology, Santa Casa Hospital, Rio de Janeiro, Brazil
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