Goto, Norio
Okazaki, Ken
Akiyama, Takenori
Akasaki, Yukio
Mizu-uchi, Hideki
Hamai, Satoshi
Nakamura, Shunsuke
Nakashima, Yasuharu
Article History
Received: 26 February 2018
Accepted: 7 November 2018
First Online: 19 November 2018
Compliance with ethical standards
:
: The authors state that there are no conflicts of interest which might have influenced the preparation of this manuscript.
: This study was approved by the institutional review board at Kyushu University (No. 29-428).