title: Whom should we rely on when assessing symptoms of critically ill patients?
authors.forename: Erin K
authors.initials: EK
authors.lastname: Kross
authors.forename: J Randall
authors.initials: JR
authors.lastname: Curtis
authors.forename: Colin R
authors.initials: CR
authors.lastname: Cooke
mesh_terms: D016638:Critical Illness; D005190:Family; D005260:Female; D006801:Humans; D007362:Intensive Care Units; D008297:Male; D019727:Proxy