- Correspondence to Dr Dany Doiron, Respiratory Epidemiology and Clinical Research Unit, Research Institute of the McGill University, Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, Montreal, Canada;
- Received September 2, 2020
- Revised December 16, 2020
- Accepted January 8, 2021
- First published January 28, 2021.
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