1. Physical Medicine and Rehabilitation Physician, Department of Physical Medicine and Rehabilitation; “Cruz Roja San José y Santa Adela” University Hospital; Madrid Spain
2. Physical Medicine and Rehabilitation Physician, Department of Physical Medicine and Rehabilitation; “La Paz” University Hospital-IdiPaz; Madrid Spain
3. Orthopedic Surgeon, Department of Orthopedic Surgery; “La Paz” University Hospital-IdiPaz; Madrid Spain