Azushima, Kengo http://orcid.org/0000-0002-5136-0730
Uneda, Kazushi
Wakui, Hiromichi
Ohki, Kohji
Haruhara, Kotaro http://orcid.org/0000-0003-1918-0390
Kobayashi, Ryu
Haku, Sona
Kinguchi, Sho
Yamaji, Takahiro
Minegishi, Shintaro
Ishigami, Tomoaki
Yamashita, Akio
Tamura, Kouichi
Article History
Received: 17 December 2018
Accepted: 2 April 2019
First Online: 17 April 2019
Competing Interests
: This study was partly funded by TSUMURA & Co., Japan, and rikkunshito (RKT) was obtained from this company.