title: The authors reply.
authors.affiliation: CIBER de Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain and Research Unit, Hospital Universitario Dr. Negrín, Las Palmas de Gran Canaria, Spain Department of Respiratory Care, Massachusetts General Hospital, Boston, MA and Department of Anesthesiology, Harvard University, Boston, MA.
authors.forename: Jesús
authors.initials: J
authors.lastname: Villar
authors.forename: Robert M
authors.initials: RM
authors.lastname: Kacmarek
mesh_terms: D055371:Acute Lung Injury / Q000401:mortality*; D005260:Female; D006801:Humans; D007362:Intensive Care Units; D008297:Male; D011175:Positive-Pressure Respiration / Q000379:methods*; D012128:Respiratory Distress Syndrome / Q000401:mortality*