Ethics Approval
The evaluation protocol for the study was approved by the Children’s and Women’s Research Ethics Board at the University of British Columbia (H16-03090/H17-02032), the Health Research Ethics Board at the University of Alberta (Pro00076869), the Hospital for Sick Children Research Ethics Board (REB1000059362), the Hamilton Integrated Research Ethics Board (Project #4250), and the Children’s Hospital of Eastern Ontario Research Ethics Board (18/01E). A detailed protocol has been published [