1Department of Physiology, University Centre of Mérida, University of Extremadura, Mérida, Spain
2Department of Nursing, University Centre of Mérida, University of Extremadura, Mérida, Spain
*Corresponding Author:
Juan José García, Department of Physiology, University Centre of Mérida, University of Extremadura, Mérida, Spain, Tel: 00 34 924289300 Exn. 86118 Email: