title: The APPS: an outcome score for the acute respiratory distress syndrome.
authors.affiliation: CIBER de Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain;; Multidisciplinary Organ Dysfunction Evaluation Research Network (MODERN), Research Unit, Hospital Universitario Dr. Negrín, Las Palmas de Gran Canaria, Spain.
authors.forename: Jesús
authors.initials: J
authors.lastname: Villar
authors.affiliation: Department of Respiratory Care, Massachusetts General Hospital, Boston, MA, USA;; Department of Anesthesiology, Harvard University, Boston, MA, USA.
authors.forename: Robert M
authors.initials: RM
authors.lastname: Kacmarek