title: The authors reply.
authors.affiliation: Hospital das Clínicas, Intensive Care Unit, São Paulo, Brazil; Respiratory Intensive Care Unit, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil; Programa de Pós-graduação em ciência Médicas da Faculdade de Medicina da Universidade do Ceará, UNIFOR, Ceará, Brazil; Center for Critical Care Nephrology, Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA.
authors.forename: Fernando Godinho
authors.initials: FG
authors.lastname: Zampieri
authors.forename: Otavio T
authors.initials: OT
authors.lastname: Ranzani
authors.forename: Alexandre B
authors.initials: AB
authors.lastname: Liborio
authors.forename: John A
authors.initials: JA
authors.lastname: Kellum
mesh_terms: D058186:Acute Kidney Injury; D015331:Cohort Studies; D016638:Critical Illness; D006801:Humans; D012189:Retrospective Studies; D000077325:Ringer's Lactate
chemical_list: D000077325:Ringer's Lactate