Yoshikawa, Kunta
Kawasaki, Hayato
Yoshida, Wataru
Irie, Toru
Konishi, Katsunori
Nakano, Kunihiro
Uto, Toshihiko
Adachi, Daisuke
Kanematsu, Masanori
Uzu, Hisashi
Yamamoto, Kenji
Article History
Received: 31 October 2016
Accepted: 17 February 2017
First Online: 20 March 2017
Competing interests
: The authors are employees of Kaneka Corporation.