1. Area of Nutrition and Food Science, Faculty of Medicine; University of Valladolid; C/Ramón Y Cajal, 7. Valladolid 47005 Spain
2. Residential Care Centre San Juan De Dios; Psychogeriatric Area, Palencia. Paseo Padre Faustino Calvo S/N. Apto. 66 Palencia 34005 Spain