[1] Univ Ghent, Ghent Univ Hosp, Dept Resp Med, Lab Translat Res Obstruct Pulm Dis, Ghent, Belgium
[2] Univ Groningen, Dept Pathol & Med Biol, Univ Med Ctr Groningen, Groningen, Netherlands
[3] Univ Ghent, Dept Pharmaceut, Lab Pharmaceut Biotechnol, Ghent, Belgium
[4] Univ Groningen, Dept Pulmonol, Univ Med Ctr Groningen, Groningen, Netherlands