[1] Curtin Univ, Fac Hlth Sci, Australian Council Smoking & Hlth, Perth, WA 6845, Australia
[2] Univ Western Australia, Sch Anat Physiol & Human Biol, Respirol, Perth, WA 6009, Australia
[3] Macquarie Univ, Thorac Soc Australia & New Zealand, Fac Med & Hlth Sci, Sydney, NSW 2109, Australia
[4] Kyoto Univ, Grad Sch Med, Dept Resp Med, Asian Pacific Soc Respirol, Kyoto, Japan