Vascular access type and mortality in elderly incident hemodialysis patients Marisa Roldão; Cátia Figueiredo; Rachele Escoli; Hernâni Gonçalves; Flora Sofia; Karina Lopes;

Impact and safety outcomes of an intradialytic physical exercise program Anna Yuguero-Ortiz; Miquel Gomez; Marta Arias-Guillén; Raquel Ojeda; Néstor Fontseré; Lida Rodas; José Jesús Broseta; Manel Vera; Sonsoles Hernandez-Sanchez; Francisco Maduell;

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;