Definition and evolution of the concept of sarcopenia Maria Luz Sanchez-Tocino; Secundino Cigarrán; Pablo Ureña; Maria Luisa González-Casaus; Sebastian Mas-Fontao; Carolina Gracia-Iguacel; Alberto Ortíz; Emilio Gonzalez-Parra;

New approaches in the nutritional treatment of advanced chronic kidney disease María Martínez-Villaescusa; Ángel Aguado-García; Aurora López-Montes; Mercedes Martínez-Díaz; César Gonzalvo-Díaz; Ana Pérez-Rodriguez; Asunción Pedrón-Megías; Llanos García-Arce; Paloma Sánchez-Sáez; Clara García-Martínez; Abígail Azaña-Rodríguez; Ana Belén García-Martínez; Fernando Andrés-Pretel; Francisco Botella-Romero; Almudena Vega-Martínez; José Miguel Giménez Bachs; Miguel León-Sanz;

Multicenter validation of the Kidney Failure Risk Equation (KFRE) formula in Spanish patients with advanced chronic kidney disease Beatriz Escamilla-Cabrera; Marco Montomoli; Maria Kislikova; Verónica de la Espada; Alazne Olarte-García; Ana María García-Prieto; Sara Piqueras-Sánchez; Álvaro Álvarez López; Lucía Rodríguez-Gayo; Javier Centellas-Pérez; Hilda Villafuerte; Pedro Barrera Baena;