1. Department of Rehabilitation and Physiotherapy, University Hospital Alcorcón Foundation, Madrid, Spain;
2. Department of Physical Medicine and Rehabilitation, Complutense University, Madrid, Spain;
3. Department of Physiotherapy and Nursery, University of Islas Baleares, Mallorca, Spain;
4. Department of Physical Therapy, Alcalá University, Madrid, Spain;
5. Department of Physical Therapy, Catholic University of San Antonio, Murcia, Spain