Research ethics: From principles to practical aspects Gonzalo Solis Sánchez; Guillermo Alcalde Bezhold; Iciar Alfonso Farnós;

Position paper on vegetarian diets in infants and children. Committee on Nutrition and Breastfeeding of the Spanish Paediatric Association Susana Redecillas-Ferreiro; Ana Moráis-López; José Manuel Moreno-Villares;

Moving forward and making changes to gain perspective and keep improving Luis Carlos Blesa Baviera;