[1] Univ Queensland, Brisbane, Qld, Australia
[2] Med Univ South Carolina, Columbia, SC USA
[3] Lindenhofspital, Bern, Switzerland
[4] Queens Univ Belfast, Belfast, Antrim, North Ireland
[5] Indiana Univ Sch Med, Indianapolis, IN 46202 USA
[6] Northwestern Univ, Evanston, IL 60208 USA
[7] Pneumol Praxis Munchen Pasing, Munich, Germany
[8] Univ Hosp Leuven, Leuven, Belgium
[9] Vertex Pharmaceut Inc, Boston, MA USA