Received: 9 April 2020
Accepted: 12 August 2020
First Online: 28 August 2020
Ethics approval and consent to participate
: The need for informed consent had been waived due to the retrospective nature of the study.The Institutional Research Ethic Board of the Research Institute of McGill University Health Center approved the study, which was conducted according to the Declaration of Helsinki.
: Not Applicable
: The authors declare that they have no competing interests.