[1] Univ Western Australia, Sch Med & Pharmacol, Ctr Resp Hlth, Perth, WA, Australia
[2] Inst Resp Hlth, Stem Cell Unit, Perth, WA, Australia
[3] Royal Perth Hosp, Dept Nucl Med, Perth, WA, Australia
[4] Royal Perth Hosp, Dept Radiol, Perth, WA, Australia
[5] Royal Perth Hosp, Cell & Tissue Therapies WA, Perth, WA, Australia
[6] Univ Western Australia, Sch Med & Pharmacol, Ctr Cell Therapy & Regenerat Med, Perth, WA, Australia
[7] Univ Western Australia, Sch Pathol & Lab Med, Perth, WA, Australia
[8] Univ Vermont, Dept Med, Burlington, VT USA
[9] Fiona Stanley Hosp, Dept Resp Med, Murdoch, WA, Australia