1. Department of Orthopaedics, Foot and Ankle Surgery, Hospital do Servidor Público Municipal de São Paulo (HSPM), São Paulo, Brazil
2. Department of Orthopaedic Surgery, Foot and Ankle Surgery, Clínica de Ortopedia e Traumatologia Ortocity, São Paulo, Brazil
3. Department of Orthopaedic Surgery, Foot and Ankle Surgery, Hospital Alemão Oswaldo Cruz, São Paulo, Brazil
4. Department of Orthopaedic Surgery, Hospital Sírio-Libanês, São Paulo, Brazil
5. Department of Orthopaedics, Foot and Ankle Surgery, Hospital Edmundo Vasconcelos, São Paulo, Brazil
6. Department of Orthopaedic Surgery, Hospital Israelita Albert Einstein, São Paulo, Brazil