1 Physiotherapy Research Unit, Faculty of Medicine, Universidad Nacional Autónoma de México. Copilco Universidad, Cto Escolar 411 A, Mexico City, Mexico. qet.tejeda@gmail.com.
2 Physiotherapy Research Unit, Faculty of Medicine, Universidad Nacional Autónoma de México. Copilco Universidad, Cto Escolar 411 A, Mexico City, Mexico.
3 Faculty of Medicine, Universidad Nacional Autónoma de México, Mexico City, Mexico.
4 Research Department, Hospital Infantil de México Federico Gómez, México City, Mexico.
5 Rehabilitation Department, Hospital Infantil de Mexico Federico Gómez, Mexico City, Mexico.
6 Teaching Department, Hospital Infantil de México Federico Gómez, Dr. Márquez 162 Colonia Doctores, Mexico City, CP 06720, Mexico. claudia.g.cam@facmed.unam.mx.