Terauchi, Ryo
Horiguchi, Hiroshi
Ogawa, Tomoichiro
Shiba, Takuya
Tsuneoka, Hiroshi
Nakano, Tadashi
Article History
Received: 6 September 2019
Accepted: 23 January 2020
First Online: 7 February 2020
Competing interests
: The authors declare no competing interests.