About the Authors

Steve Morgan

To whom correspondence should be addressed. E-mail: morgan@chspr.ubc.ca

Affiliation Centre for Health Services and Policy Research, University of British Columbia, Vancouver, Canada

Kenneth L Bassett

Affiliation Centre for Health Services and Policy Research, University of British Columbia, Vancouver, Canada

James M Wright

Affiliation Pharmacology and Therapeutics Department, University of British Columbia, Vancouver, Canada

Lixiang Yan

Affiliation Centre for Health Services and Policy Research, University of British Columbia, Vancouver, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

SM, KB, and JW designed the study. SM and LY analyzed the data. All authors contributed to writing the paper.