Miwa, Yohei http://orcid.org/0000-0002-8048-2761
Taira, Kenjiro
Kurachi, Junosuke
Udagawa, Taro http://orcid.org/0000-0002-4072-253X
Kutsumizu, Shoichi
Article History
Received: 27 November 2018
Accepted: 2 April 2019
First Online: 23 April 2019
Competing interests
: The authors declare no competing interests.