1. E. Lluch Girbés, PT, Physical Therapy Department, University of Valencia, Gascó Oliag 5, 46010 Valencia, Spain.
2. J. Nijs, PT, PhD, Pain and Motion Research Group, Departments of Human Physiology and Physiotherapy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, and Department of Physical Medicine and Rehabilitation, University Hospital Brussels, Brussels, Belgium.
3. R. Torres-Cueco, PT, Physical Therapy Department, University of Valencia.
4. C. López Cubas, PT, Physical Therapy Department, University of Valencia.