Affiliation: | 1. Department of Otolaryngology, H?pital du Sacré‐Coeur de Montréal, Montreal, QC, Canada;2. Research Center, Axe Maladies Chroniques, H?pital du Sacré‐Coeur de Montréal, Montreal, QC, Canada;3. Formerly of the Health Effects Laboratory Division, CDC/NIOSH, Morgantown, WV, USA;4. Burleson Research Technologies, Inc., Morrisville, NC, USA;5. Department of Chest Medicine, H?pital du Sacré‐Coeur de Montréal, Montreal, QC, Canada |