1. Sports Rehabilitation Departament, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Mexico City, Mexico
2. Military School of Dentistry, Oral and Maxillofacial Surgery, University of the Army and Air Force of Mexico, Mexico City, Mexico
3. Physical Therapy Division, Mexico City, Mexico
4. Musculoskeletal Ultrasound Laboratory, Mexico City, Mexico
5. Spine Rehabilitation Department, Mexico City, Mexico
6. Orthopedic Rehabilitation Departament, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Mexico City, Mexico