External validation of a predictive model for one-year mortality in incident hemodialysis patients: A Portuguese cohort Telma Pais; Beatriz Teixeira; Miguel Carrilho; José Agapito Fonseca; Cristina Outerelo; Sofia Jorge; Cristina Resina; José António Lopes; Joana Gameiro;

Review and practical excursus on the comparison between traditional statics methods and Classification And Regression Tree (CART) in real-life data: Low protein diet compared to Mediterranean diet in patients with chronic kidney disease Vincenzo Calabrese; Daniela Metro; Angela Alibrandi; Domenico Maviglia; Valeria Cernaro; Veronica Maressa; Elisa Longhitano; Guido Gembillo; Domenico Santoro;

Hemodialysis vascular access in the elderly: Promising results from a tertiary center Bruno Fraga Dias; Fernanda Silva; Isabel Fonseca; Paulo Almeida; José Queirós;