Funding for this research was provided by:
EuroQol Research Foundation
Article History
Accepted: 19 September 2020
First Online: 6 October 2020
Compliance with ethical standards
:
: All authors are members of the EuroQol group; Ruixuan is currently an employee of Merck Sharp and Dome but was not employed by Merck at the time of study conceptualization, analysis, or manuscript drafting.
: Study was conducted on secondary, anonymized data that were previously collected. Ethics approval was not required.
: Informed consent for study participation was obtained from all individual participants included in the study. Informed consent for publication was obtained from all individual participants included in the study.