[1] Catholic Univ Louvain, Louvain Drug Res Inst, Pharmacol Cellulaire & Mol, B-1200 Brussels, Belgium
[2] Queens Univ Belfast, CF & Airways Microbiol Res Grp, Belfast, Antrim, North Ireland
[3] Hop Univ Enfants Reine Fabiola, Unite Malad Infect, Brussels, Belgium
[4] Free Univ Brussels, Hop Erasme, Lab Microbiol, B-1070 Brussels, Belgium
[5] Hop Jean Minjoz, Lab Bacteriol, F-25030 Besancon, France
[6] Univ Hosp Munster, Med Microbiol, Munster, Germany