1. Mexican Federation of Orthopaedic and Traumatology A. C. FEMECOT International Committee, Metropolitana de Occidente University, Puerta de Hierro Andares Hospital, Zapopan, Jal. México
2. Mexican Federation of Orthopaedic and Traumatology A. C. FEMECOT President, Autónoma de Baja California University, Angeles Hospital, Tijuana, BCN, México
3. Mexican Federation of Orthopaedic and Traumatology A.C. FEMECOT Past President, Autónoma de Coahuila University, Star Medica Hospital, Aguascalientes, Ags. México
4. Department of Orthopedics and Traumatology, Británico Hospital, Buenos Aires, Argentina
5. Department of Orthopedics and Traumatology, Universitario de la Samaritana Hospital, Bogotá, Colombia
6. Department of Orthopedics and Traumatology, Hospital Universitario Mayor, Corporación Méderi, Bogotá, Colombia
7. Department of Orthopedics and Traumatology, Universitario de San Ignacio Hospital, Bogotá, Colombia
8. Department of Orthopedics and Traumatology, Universitario Clínica San Rafael Hospital, Bogotá, Colombia
9. Serviço de Ortopedia e Traumatologia Prof. Nova Monteiro, Municipal Miguel Couto, Rio de Janeiro Hospital, RJ, Brazil
10. Ortopedia, Clínica São Vicente, Rede D'or São Luiz, Rio de Janeiro, RJ, Brazil; and
11. Departamento do Aparelho Locomotor, Federal de Minas Gerais University(UFMG), Belo Horizonte, MG, Brazil.