Advanced Chronic Kidney Disease Units in Spain: a national survey on standards of structure, resources, results and patient safety Mario Prieto-Velasco; María Dolores del Pino y Pino; Juan Manuel Buades Fuster; Lourdes Craver Hospital; Ramón Pons Prades; Juan Carlos Ruiz San Millán; Mercedes Salgueira Lazo; Patricia de Sequera Ortiz; Nicanor Vega Díaz;

Transitions in an integrated model of renal replacement therapy in a regional health system Beatriz Gil-Casares; Jose Portolés; Paula López-Sánchez; Fernando Tornero; María Marques; José Luis Rojo-Álvarez;

Consensus document for ultrasound training in the speciality of Nephrology Maite Rivera Gorrín; R. Haridian Sosa Barrios; Carlos Ruiz-Zorrilla López; Juan Manuel Fernández; Silvia Marrero Robayna; José Ibeas López; Mercedes Salgueira Lazo; María Jesús Moyano Franco; Carlos Narváez Mejía; Manuel Ceballos Guerrero; Jordi Calabia Martínez; Antonio Luis García Herrera; Ramón Roca Tey; Vicente Paraíso Cuevas; José Luis Merino Rivas; Iyad Abuward Abu-Sharkh; Angels Betriu Bars;