1. Department of Physical Medicine and Pharmacology, Faculty of Health Sciences, University of La Laguna, 38320 Santa Cruz de Tenerife, Spain
2. Department of Matemáticas, Estadística e Investigación Operativa, Instituto IMAULL, University of La Laguna, 38320 La Laguna, Spain
3. Traumatology Service, Complejo Hospitalario Universitario de Canarias, 38320 La Laguna, Spain
4. Medicine Section, University of La Laguna, 38320 La Laguna, Spain
5. Clinical Pharmacology Service, Complejo Hospitalario Universitario de Canarias, University of La Laguna, 38320 La Laguna, Spain
6. Nursing Section, Faculty of Health Sciences, University of La Laguna, 38200 Santa Cruz de Tenerife, Spain