Takaku, Reo http://orcid.org/0000-0001-6091-9199
Funding for this research was provided by:
Institute for Health Economics and Policy
Article History
Received: 12 November 2019
Accepted: 11 May 2020
First Online: 27 May 2020
Ethics approval and consent to participate
: No ethical approval is required for the manuscript under the standard of the ethical review board in my university.
: Not applicable.
: The authors declare that they have no competing interests.