About the Authors
- Steve Morgan, Kenneth L Bassett, Lixiang Yan
- Centre for Health Services and Policy Research, University of British Columbia, Vancouver, Canada
- James M Wright
- Pharmacology and Therapeutics Department, University of British Columbia, Vancouver, Canada
The authors have declared that no competing interests exist.
SM, KB, and JW designed the study. SM and LY analyzed the data. All authors contributed to writing the paper.