Funding for this research was provided by:
EuroQol Research Foundation
Text and Data Mining valid from 2019-11-29
Received: 3 February 2019
Accepted: 11 November 2019
First Online: 29 November 2019
: Ethical approval was obtained from the health research ethics board at the University of Alberta.
: A written consent was obtained from all participants in the study.
: Fatima Al Sayah, Arto Ohinmaa, and Jeffrey Johnson are members of the EuroQol Group; Jeffrey Johnson is on the Board of Directors for the EuroQol Research Foundation. All other authors declare that they have no competing interests.