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;

Value of concerted and hospital hemodialysis through a multi-criteria decision analysis Araceli Caro Martínez; María del Carmen Valcárcel Cabrera; Antonio Olry de Labry Lima;

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