title: The authors reply.
authors.affiliation: Anesthesia and Intensive Care Department, IRCCS San Raffaele Scientific Institute, Milan, Italy.
authors.forename: Luca
authors.initials: L
authors.lastname: Cabrini
authors.forename: Rosalba
authors.initials: R
authors.lastname: Lembo
authors.forename: Giacomo
authors.initials: G
authors.lastname: Monti
authors.forename: Alberto
authors.initials: A
authors.lastname: Zangrillo
mesh_terms: D006801:Humans; D063087:Noninvasive Ventilation; D012128:Respiratory Distress Syndrome; D012131:Respiratory Insufficiency; D015996:Survival Rate