doi: 10.1136/bmjopen-2022-071396. Affiliations Affiliations 1 SickKids Research Institute, Toronto, Ontario, Canada. 2 Research Institute of the McGill University Health Centre, Montreal, QC, Canada. 3 Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada. 4 Centre for Digital Therapeutics, Techna Institute, University Health Network, Toronto, ON, Canada. 5 Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON, Canada.