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Authors
Palmer, Michael J. https://orcid.org/0000-0002-6037-4421
Richardson, Harriet
Tu, Dongsheng
Brundage, Michael
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Article History
Accepted: 5 March 2021
First Online: 2 April 2021
Declarations
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: The authors declare that they have no conflict of interest.
: The Queen’s University Health Sciences and Affiliated Teaching Hospitals Research Ethics Board reviewed the protocol and granted ethics approval for this retrospective study conducted on already available data for which formal consent was not needed (HSREB #6015243). HSREB is constituted in and operates in compliance with the Tri-Council Policy Statement, Part C Division 5 of the Food and Drug Regulations, OHRP, and U.S. DHHS Code of Federal Regulations Title 45, Part 46. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
