1. Department of Physiology, McGill University, Montréal, QC H3G 1Y6, Canada
2. Department of Otolaryngology-Head and Neck Surgery, Jewish General Hospital, Montréal, QC H2T 1E2, Canada
3. Adult Cystic Fibrosis Clinic, Montreal Chest Institute, Respiratory Division, McGill University, Montréal, QC H4A 3J1, Canada
4. Department of Biochemistry, McGill University, Montréal, QC H3G 1Y6, Canada