Funding for this research was provided by:
KAKENHI (Grants-in-Aid for Scientific Research) from the Japan Society for the Promotion of Science (17K16761)
Article History
Received: 6 March 2020
Accepted: 12 October 2020
First Online: 17 October 2020
Ethics approval and consent to participate
: The ethics committee of Osaka Medical College (reference number 1252) approved the study protocol, and all participants provided written informed consent.
: Not applicable.
: None of the authors have any competing interests to declare.