Funding for this research was provided by:
EuroQol Research Foundation (EQ Project 2016230)
Article History
First Online: 25 November 2019
Compliance with Ethical Standards
:
: Xinyu Qian and Rachel Lee-Yin Tan have no conflicts of interest to declare. Nan Luo and Ling-Hsiang Chuang are members of the EuroQol Group.