Funding for this research was provided by:
Health Insurance Review and Assessment Service (2018-029)
Received: 2 December 2019
Accepted: 7 July 2020
First Online: 13 July 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board (IRB No.2018–029) at the HIRA, we obtained informed consents of all the participants in the survey process.
: Not applicable.
: The authors declare that they have no competing interests.