Occurrence of acute kidney injury in adult patients hospitalized with COVID-19: A systematic review and meta-analysis Reginaldo Passoni; Tarcísio Vitor Augusto Lordani; Luis Alberto Batista Peres; Ariana Rodrigues da Silva Carvalho;

Acute kidney injury in hospitalized patients with COVID-19: A Portuguese cohort Joana Gameiro; José Agapito Fonseca; João Oliveira; Filipe Marques; João Bernardo; Claudia Costa; Carolina Carreiro; Sandra Braz; José António Lopes;

Implementation of the in-house technique for the determination of donor-derived cell-free DNA in daily clinical practice: Experience from the Hospital Clinic of Barcelona Elena Cuadrado-Payán; Eva González-Roca; Diana Rodríguez-Espinosa; Alicia Molina-Andújar; Enrique Montagud-Marrahi; Carolt Arana; Angela González-Rojas; Nuria Esforzado; Vicens Torregrosa; Pedro Ventura-Aguiar; María Argudo; Daniel Serrano-Jorcano; Maria José Ramírez-Bajo; Elisenda Bañón-Maneus; Silvia Casas; José Jesus Broseta; Joan Anton Puig-Butille; Ignacio Revuelta; Fritz Diekmann; David Cucchiari;