1. Universidad de Salamanca, Salamanca 37007, Spain
2. Department of Nursing and Physiotherapy, Universidad de Salamanca, Escuela Universitaria de Enfermería y Fisioterapia, Salamanca 37007, Spain
3. Integra Saude Unit Research, Department of Health Science, Facultad de Ciencias de la Salud, Universidade da Coruña, Faculty of Health Science, A Coruña 15570, Spain
4. Department of Nursing, Physiotherapy and Occupational Therapy, Universidad de Castilla-La Mancha, Toledo, Talavera de la Reina 45600, Spain