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;

Hepatitis B virus vaccine and chronic kidney disease. The advances Fabrizio Fabrizi; Roberta Cerutti; Vivek Dixit; Ezequiel Ridruejo;

Chronic kidney disease and the olfactory system M. Ludivina Robles-Osorio; Rebeca Corona; Teresa Morales; Ernesto Sabath;