About the Authors
- James C. Johnston
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* E-mail: johnst22@interchange.ubc.ca
Affiliation Tuberculosis Control, British Columbia Centre for Disease Control, Vancouver, Canada
- Neal C. Shahidi
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Affiliation Centre for Clinical Epidemiology and Evaluation, Vancouver Coastal Health Research, Vancouver, Canada
- Mohsen Sadatsafavi
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Affiliation Collaboration for Outcome Research and Evaluation, University of British Columbia, Vancouver, Canada
- J. Mark Fitzgerald
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Affiliations Tuberculosis Control, British Columbia Centre for Disease Control, Vancouver, Canada, Centre for Clinical Epidemiology and Evaluation, Vancouver Coastal Health Research, Vancouver, Canada
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: JCJ JMF. Analyzed the data: JCJ NCS MS. Contributed reagents/materials/analysis tools: MS. Wrote the paper: JCJ NCS JMF. Literature searching and data abstraction: JCJ NCS. Statistical analysis: MS.