Funding for this research was provided by:
EuroQol Research Foundation (n.a.)
Article History
Received: 17 February 2020
Accepted: 25 June 2020
First Online: 3 July 2020
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: RB received funding from the EuroQol Research Foundation for writing this manuscript. KSB is a member of the EuroQol and Chair of the Board of the EuroQol Research Foundation. BS is Executive Director of the EuroQol Research Foundation.