1 Norwegian Advisory Unit on Home Mechanical Ventilation, Thoracic Department Department of Physiotherapy Haukeland University Hospital Department of Clinical Science University of Bergen Bergen, Norway.
2 Department of Pediatrics Haukeland University Hospital Department of Clinical Science University of Bergen Bergen, Norway Department of Medicine Innlandet Hospital Trust Gjøvik, Norway.
3 Norwegian Advisory Unit on Home Mechanical Ventilation, Thoracic Department Haukeland University Hospital Bergen, Norway.
4 Department of Pediatrics Haukeland University Hospital Department of Clinical Science University of Bergen Bergen, Norway.
5 The Faculty of Health and Social Sciences Western Norway University of Applied Sciences Bergen, Norway.
6 Department of Neurology Haukeland University Hospital Department of Clinical Medicine University of Bergen Bergen, Norway.
7 Department of Otolaryngology/Head and Neck Surgery Haukeland University Hospital Department of Clinical Medicine University of Bergen Bergen, Norway.
8 Norwegian Advisory Unit on Home Mechanical Ventilation, Thoracic Department Department of Pediatrics Haukeland University Hospital Department of Clinical Science University of Bergen Bergen, Norway.
9 Department of Pediatrics Haukeland University Hospital The Faculty of Health and Social Sciences Western Norway University of Applied Sciences Bergen, Norway.