1. Research Division, Human Motion Analysis Laboratory and Rehabilitation Engineering Department, National Institute of Rehabilitation Luis Guillermo Ibarra Ibarra, Mexico City, Mexico
2. Neurologic Rehabilitation Division, National Institute of Rehabilitation Luis Guillermo Ibarra Ibarra, Mexico City, Mexico
3. Health Education Direction, National Institute of Rehabilitation Luis Guillermo Ibarra Ibarra, Mexico City, Mexico
4. Neurologic Rehabilitation Division, Spinal Cord Injury Rehabilitation Service, National Institute of Rehabilitation Luis Guillermo Ibarra Ibarra, Mexico City, Mexico
5. Orthotics and Prosthetics Laboratory, National Institute of Rehabilitation Luis Guillermo Ibarra Ibarra, Mexico City, Mexico