[1] Inhalat Consultancy Ltd, Leeds, W Yorkshire, England
[2] Bradford Teaching Hosp NHS Fdn Trust, Bradford, W Yorkshire, England
[3] Bradford Inst Hlth Res, Bradford, W Yorkshire, England
[4] Resp Matters, Huddersfield, W Yorkshire, England
[5] QuintilesIMS, Cambridge, MA USA
[6] Teva Pharmaceut Ind, Waterford, Ireland
[7] Teva Pharmaceut Ind, Amsterdam, Netherlands