Kase, Yoshitaka
Shimazaki, Takuya
Okano, Hideyuki
Funding for this research was provided by:
The General Insurance Association of Japan
Article History
Received: 19 February 2020
Accepted: 8 June 2020
First Online: 18 June 2020
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.