Funding for this research was provided by:
Japan Society for the Promotion of Science, JSPS KAKENHI (17K12046, 17H04421)
Article History
Received: 12 February 2020
Accepted: 30 March 2020
First Online: 18 April 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study protocol was approved by the Ethics Committee of the Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences (No. 1708-028).
: All participants provided written informed consent for study participation.
: I confirm that all authors agree with publication in the journal.