1. Health Sciences Department, National University of Chimborazo, Riobamba, Ecuador
2. Departamento de Medicina Física y Rehabilitación, Hidrología Médica, Facultad de Enfermería, Fisioterapia y Podología, Universidad Complutense de Madrid, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), Spain
3. Physiotherapy and Pain Group, University of Alcalá, Madrid, Spain
4. Physiotherapy Department, University of Alcalá, Madrid, Spain
5. Physiotherapy and Nursery Department, University of the Balearic Islands, Palma de Mallorca, Spain