Takigahira, Hiroshi
Yamawo, Akira http://orcid.org/0000-0003-2928-8151
Funding for this research was provided by:
Japan Society for the Promotion of Science (15K18611, 18K19353)
Nippon Life Insurance Foundation
Article History
Received: 7 March 2019
Accepted: 30 May 2019
First Online: 5 June 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.