Okabe, Hiroshi
Obama, Kazutaka
Tsunoda, Shigeru
Matsuo, Koichi
Tanaka, Eiji
Hisamori, Shigeo
Sakai, Yoshiharu
Funding for this research was provided by:
Operating support grants from Kyoto University
Article History
Received: 1 February 2019
Accepted: 15 March 2019
First Online: 30 March 2019
Compliance with ethical standards
:
: The authors declare no conflicts of interest in association with the present study.