Received: 4 March 2020
Accepted: 13 May 2020
First Online: 24 May 2020
Ethics approval and consent to participate
: The study was approved by the Clinical Research Ethics Board of the University of British Columbia (UBC-REB).
: All the eligible participants signed the UBC-REB approved consent form prior to their first assessment visit.
: The authors declare that they have no competing interest.