[1] Univ Groningen, Univ Med Ctr Groningen, Dept Pathol & Med Biol, Groningen, Netherlands
[2] Univ Groningen, Univ Med Ctr Groningen, Groningen Res Inst Asthma & COPD, Groningen, Netherlands
[3] Nord Biosci AS, Herlev, Denmark
[4] Univ Groningen, Dept PharmacoTherapy Epidemiol & Econ, Groningen Res Inst Pharm, Groningen, Netherlands
[5] Univ Groningen, Univ Med Ctr Groningen, Dept Clin Pharm & Pharmacol, Groningen, Netherlands
[6] Natl Jewish Hlth, Div Pulm Med, Dept Med, 1400 Jackson St, Denver, CO USA
[7] Univ Groningen, Univ Med Ctr Groningen, Groningen Res Inst Asthma & COPD, Groningen, Netherlands
[8] Univ Groningen, Univ Med Ctr Groningen, Dept Mol Pharmacol, Groningen, Netherlands
[9] Univ Groningen, Univ Med Ctr Groningen, Groningen Res Inst Asthma & COPD, Dept Pathol & Med Biol, Groningen, Netherlands
[10] Univ Groningen, Univ Med Ctr Groningen, Dept Pulm Dis, Groningen, Netherlands