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Article History

Accepted: 11 October 2022

First Online: 9 November 2022

Declarations

:

: Funding for this study was provided by the EuroQol Group grant EQ Project 20180490 and Indonesian Endowment Fund for Education (LPDP). Both grants were unrestricted.

: Titi Fitriana reports no conflicts of interest. Fredrick Purba, Bram Roudijk, Elly Stolk and Jan Busschbach are either members of the EuroQol Group or are directly employed by the EuroQol Research Foundation.

: All procedures performed in this study were in accordance with the ethical standards of the Health Research Ethics Committee of YARSI University, Jakarta, Indonesia (ethics approval number: 117/KEP-UY/BIA/VII/2019).

: All participants enrolled in this study gave their consent to participate in this study.

: All participants understand the data obtained from the study will be used only in educational publications and no personal identification will be attached to the publication. A copy of the consent form is available for review by the Editor of this journal.

: The datasets generated and/or analysed during the current study are available from the corresponding author on reasonable request.

: Not applicable.

: TF, ES, FP and JB designed the study, obtained funding and were involved in the data acquisition. Quality control and analysis were performed by BR, TF and FP. TF and BR drafted the initial version of the manuscript, with all authors providing substantial feedback.

: This article is published in a special edition journal supplement wholly funded by the EuroQol Research Foundation..