Futami, Takashi
Kawase, Tatsuya
Mori, Kenichi
Asaumi, Makoto
Kihara, Rumi
Shindoh, Nobuaki
Kuromitsu, Sadao
Article History
Received: 24 May 2019
Accepted: 27 September 2019
First Online: 10 October 2019
Competing Interests
: The authors declare no competing interests.