Effect of Respiratory Events on Health-Related Quality of Life in Patients Treated with Long-Term Noninvasive Ventilation.

"Conflict of Interest Statement Anne Louise Kleiven has received the ResMed grant from the Norwegian Society of Pulmonary Medicine. Sigurd Aarrestad has received fees for lecturing from Philips Respironics and ResMed outside of the presented work. All the other authors have no competing interests to declare."

"The study was funded by the Norwegian National Advisory Unit on Long Term Mechanical Ventilation, Haukeland University Hospital, and the Norwegian Neuromuscular Diseases Foundation (Foreningen for muskelsyke). The funders had no involvement in the study design; in the collection, analysis, and interpretation of the data; in the writing of the report; or in the decision to submit the paper for publication."

"The study protocol was approved by the Norwegian Regional Committee for Medical and Health Research Ethics, No. = 2012/1142 and registered at clinicaltrials.gov (NCT01845233). Written informed consent was obtained from all patients."