1. School of Allied Health, Department of Rehabilitation, Nutrition and Sport, La Trobe University; Discipline of Physiotherapy; Melbourne Victoria Australia 3004
2. Institute for Breathing and Sleep; Melbourne Australia
3. University of Melbourne; Department of Medicine; Melbourne Australia
4. Austin Health; Department of Respiratory and Sleep Medicine; Melbourne Victoria Australia 3084
5. Austin Health; Department of Physiotherapy; 145 Studley Rd PO Box 5555 Melbourne Australia 3084
6. La Trobe University; School of Psychology and Public Health; Melbourne Australia
7. The University of Sydney; Discipline of Physiotherapy, Faculty of Health Sciences; Lidcombe Australia
8. University Hospital of North Norway; Norwegian Centre for E-health Research; Tromsø Norway
9. UiT The Arctic University of Norway; Department of Clinical Medicine, Faculty of Health Sciences; Tromsø Norway
10. Wimmera Health Care Group; Community Rehabilitation; Horsham Victoria Australia
11. Physiotherapy Alfred Health; Melbourne Victoria Australia 3181