1. Department of Respiratory and Sleep Medicine and
2. School of Medicine, University of Queensland, Brisbane, Queensland, Australia;
3. Department of Pediatrics, Townsville University Hospital, Douglas, Queensland, Australia;
4. National Health and Medical Research Council Centre for Research Excellence in Paediatric Bronchiectasis (AusBREATHE), Australian Centre for Health Services Innovation, Queensland University of Technology, Brisbane, Queensland, Australia;
5. Child and Maternal Health Division, Menzies School of Health Research, Charles Darwin University, Casuarina, Northern Territory, Australia; and
6. Medical Imaging Nuclear Medicine, Queensland Children’s Hospital, South Brisbane, Queensland, Australia;
7. Department of Paediatrics, Gold Coast University Hospital, Southport, Queensland, Australia