1. Department of Physical Therapy, Occupational Therapy, Physical Medicine and Rehabilitation; Universidad Rey Juan Carlos; Alcorcón Spain
2. Sensory and Motor Interaction (SMI) Center; Department of Health Science and Technology; Faculty of Medicine; Aalborg University; Aalborg Denmark
3. Department of Physical Therapy; University of Siena; Siena Italy
4. Poliambulatorio Fisiocenter; Collecchio Parma Italy
5. Physical Activity and Human Performance Group; Sensory and Motor Interaction (SMI) Center; Department of Health Science and Technology; Aalborg University; Aalborg Denmark
6. Headache Unit; Hospital Clínico Universitario de Valladolid; Valladolid Spain