1. Division of Speech Pathology School of Health and Rehabilitation Sciences, The University of Queensland Brisbane Queensland Australia
2. Speech Pathology Department Calvary Mater Newcastle Waratah New South Wales Australia
3. Centre for Functioning and Health Research Metro South Health Services District, Queensland Health Buranda Queensland Australia
4. Speech Pathology Department Princess Alexandra Hospital Woolloongabba Queensland Australia
5. Speech Pathology Department John Hunter Hospital and Belmont Hospital New Lambton Heights New South Wales Australia
6. School of Medicine and Public Health The University of Newcastle Callaghan New South Wales Australia
7. Centre for Asthma and Respiratory Disease Hunter Medical Research Institute New Lambton Heights New South Wales Australia
8. Division of Occupational Therapy, School of Health and Rehabilitation Sciences The University of Queensland Brisbane Queensland Australia
9. Occupational Therapy Department Princess Alexandra Hospital Woolloongabba Queensland Australia
10. Radiation Oncology Department Calvary Mater Newcastle Waratah New South Wales Australia
11. School of Mathematical and Statistical Sciences Arizona State University Tempe Arizona USA