1 The University of British Columbia, Respiratory Evaluation Sciences Program, Faculty of Pharmaceutical Sciences, Vancouver, British Columbia, Canada; amin.adibi@ubc.ca.
2 The University of British Columbia, Respiratory Evaluation Sciences Program, Faculty of Pharmaceutical Sciences, Vancouver, British Columbia, Canada.
3 The University of British Columbia Faculty of Medicine, Division of Respiratory Medicine, Vancouver, British Columbia, Canada.
4 The University of Alabama at Birmingham, Division of Pulmonary, Allergy, and Critical Care Medicine, Birmingham, Alabama, United States.