1. Department of Nursing Care Information Systems Hospital Clínico Universitario de Valladolid Valladolid Spain
2. Continual Trainig Department Hospital Clínico Universitario de Valladolid Valladolid Spain
3. Head of Surgery Unit Hospital de Medina del Campo Valladolid Spain
4. Nursing Faculty University of Valladolid Valladolid Spain
5. Nursing Direction Hospital Clínico Universitario de Valladolid Valladolid Spain
6. Research Support Unit Hospital Clínico Universitario de Valladolid Valladolid Spain