title: The authors reply.
authors.affiliation: Department of Critical Care Medicine and Sunnybrook Research Institute, Sunnybrook Health Sciences Centre and University of Toronto, Toronto, ON, Canada The Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, ON, Canada Department for Anesthesia, Intensive Care Medicine, and Pain Management, Vivantes-Klinikum Neukoelln, Berlin, Germany Departments of Critical Care and Medicine, The Li Ka Shing Knowledge Institute, St. Michael's Hospital and University of Toronto, Toronto, ON, Canada.
authors.forename: Neill K J
authors.initials: NK
authors.lastname: Adhikari
authors.forename: Arthur S
authors.initials: AS
authors.lastname: Slutsky
authors.forename: Herwig
authors.initials: H
authors.lastname: Gerlach
authors.forename: Jan O
authors.initials: JO
authors.lastname: Friedrich
mesh_terms: D006801:Humans; D009569:Nitric Oxide / Q000008:administration & dosage*; D012128:Respiratory Distress Syndrome / Q000188:drug therapy* / Q000401:mortality*
chemical_list: D009569:Nitric Oxide