About the Authors

Rujun Zhang

Affiliation Department of Family and Community Medicine, University of Toronto, Toronto, Ontario, Canada

Navindra Persaud

nav.persaud@utoronto.ca

Affiliations Keenan Research Centre of the Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario, Canada, Department of Family and Community Medicine, University of Toronto, Toronto, Ontario, Canada

Competing Interests

All authors have completed the ICMJE uniform disclosure form at www.icmje.org/coi_disclosure.pdf and declare: no support from any organisation for the submitted work; no financial relationships with any organisations that might have an interest in the submitted work in the previous three years; no other relationships or activities that could appear to have influenced the submitted work.

Author Contributions

Conceptualization: NP. Data curation: NP. Formal analysis: NP RZ. Methodology: NP RZ. Project administration: NP RZ. Supervision: NP. Writing – original draft: NP RZ. Writing – review & editing: NP RZ.