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Emil S. Walsted
James H. Hull
Jeppe Hvedstrup
Robert C. Maat
Vibeke Backer
Respiratory Research Unit, Bispebjerg University Hospital, Copenhagen, Denmark,
Department of Anaesthesia, Royal Brompton Hospital, London, United Kingdom
Department of otorhinolaryngology, Röpcke-Zweers Hospital, Hardenberg, Netherlands
Denmark
United Kingdom
Netherlands
N/A
N/A
N/A
N/A
N/A
N/A
Randomized
Double Blind/Blinded
NA
N/A
N/A
N/A