Affiliation: | 1. International Centre for Allied Health Evidence, Division of Health Sciences, University of South Australia, , Adelaide, South Australia, Australia;2. Community Respiratory Service, Royal Adelaide Hospital, , Adelaide, South Australia, Australia;3. Department of Thoracic Medicine, Royal Adelaide Hospital, , Adelaide, South Australia, Australia;4. Respiratory Medicine, Southern Adelaide Local Health Network, Repatriation General Hospital, , Adelaide, South Australia, Australia;5. School of Medicine, Flinders University, , Adelaide, South Australia, Australia |