Kamata, Shunichi http://orcid.org/0000-0003-1226-9966
Nimmo, Francis http://orcid.org/0000-0003-3573-5915
Sekine, Yasuhito http://orcid.org/0000-0002-3544-3632
Kuramoto, Kiyoshi http://orcid.org/0000-0002-6757-8064
Noguchi, Naoki http://orcid.org/0000-0001-8998-1682
Kimura, Jun http://orcid.org/0000-0002-5825-0454
Tani, Atsushi http://orcid.org/0000-0001-5788-2137
Article History
Received: 30 September 2018
Accepted: 12 April 2019
First Online: 20 May 2019
Competing interests
: The authors declare no competing interests.