[1] CRCHUM, Montreal, PQ, Canada
[2] Univ Ghent, Upper Airways Res Lab, Ghent, Belgium
[3] Karolinska Inst, Stockholm, Sweden
[4] Univ Hosp Leuven, Leuven, Belgium
[5] Guys & St Thomas Hosp, London, England
[6] Charite Univ Med Berlin, Dept Otorhinolaryngol Head & Neck Surg, Berlin, Germany
[7] Eastern Virginia Med Sch, Norfolk, VA 23501 USA
[8] Univ Pittsburgh, Med Ctr, Pittsburgh, PA USA
[9] Sanofi, Bridgewater, MA USA
[10] Regeneron Pharmaceut Inc, Tarrytown, NY USA
[11] Sanofi, Chilly Mazarin, France