[1] Sir Charles Gairdner Hosp, Resp Med, Perth, WA, Australia
[2] Inst Resp Hlth, Pleural Med Unit, Perth, WA, Australia
[3] Edith Cowan Univ, Sch Med & Hlth Sci, Perth, WA, Australia
[4] Univ Western Australia, Natl Ctr Asbestos Related Dis, Perth, WA, Australia
[5] Univ Western Australia, Sch Med, Perth, WA, Australia