[1] GSK House, Global Med Franchise, Brentford, England
[2] Hosp La Paz Inst Hlth Res IdiPAZ, Dept Allergy, Madrid, Spain
[3] Inst Carlos III, CIBERES, Madrid, Spain
[4] Univ Ferrara, Dept Med Sci, Ferrara, Italy
[5] S Anna Univ Hosp, Ferrara, Italy
[6] Harvard Med Sch, Boston, MA 02115 USA
[7] Brigham & Womens Hosp, Asthma Res Ctr, 75 Francis St, Boston, MA 02115 USA
[8] GSK, Biostat, Stockley Pk, Uxbridge, Middx, England
[9] GSK, Resp Discovery Med, Stevenage, Herts, England
[10] GSK, Resp Med Franchise, Res Triangle Pk, NC USA
[11] GSK, Resp Med Franchise, London, England