1 Upper Airway Research Laboratory, Department of Otorhinolaryngology, Ghent University Hospital, Ghent, Belgium.
2 Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, Calif; Department of Pediatrics, David Geffen School of Medicine at UCLA, Los Angeles, Calif.
5 Department of Otolaryngology-Head and Neck Surgery, University of Pittsburgh, Pa.
6 Novartis Pharmaceuticals Corporation, East Hanover, NJ.
7 Genentech, Inc, South San Francisco, Calif.
8 Genentech, Inc, South San Francisco, Calif. Electronic address: omachi.theodore@gene.com.
9 Upper Airway Research Laboratory, Department of Otorhinolaryngology, Ghent University Hospital, Ghent, Belgium; Division of ENT Diseases, CLINTEC, Karolinska Institute, Stockholm, Sweden.