Gandhi, Mihir http://orcid.org/0000-0002-8902-2710
Ang, Marcus http://orcid.org/0000-0003-3022-0795
Teo, Kelvin http://orcid.org/0000-0002-7458-7081
Wong, Chee Wai http://orcid.org/0000-0002-0935-2016
Wei, Yvonne Chung-Hsi http://orcid.org/0000-0002-5515-4029
Tan, Rachel Lee-Yin http://orcid.org/0000-0002-4610-1195
Janssen, Mathieu F. http://orcid.org/0000-0001-6602-6949
Luo, Nan http://orcid.org/0000-0001-7980-6979
Funding for this research was provided by:
EuroQol Research Foundation (EQ Project 2016310)
Article History
Received: 5 June 2019
Accepted: 20 December 2019
First Online: 4 January 2020
Compliance with ethical standards
:
: The study had financial support from the EuroQol Research Foundation (EQ Project 2016310), The Netherlands; MFJ is a member of the scientific team of the EuroQol Business Office and both MFJ and NL are members of the EuroQol Group. The EuroQol Research Foundation has had no other involvement in the running of the study or the writing of the manuscript. The views expressed by the authors in this paper do not necessarily reflect the views of the EuroQol Group. No other relationship or activities that could appear to have influenced the submitted work. Other authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. This article does not contain any studies with animals performed by any of the authors.
: The study was approved by the SingHealth Centralized Institutional Review Board (CIRB Ref: 2016/2649). Informed consent was obtained from all individual participants included in the study.