Yamazaki, Tomoo
Umemura, Takeji http://orcid.org/0000-0001-7985-919X
Joshita, Satoru http://orcid.org/0000-0002-6364-9654
Yoshizawa, Kaname
Tanaka, Eiji
Ota, Masao
Article History
Received: 5 February 2018
Accepted: 30 July 2018
First Online: 9 August 2018
Competing Interests
: The authors declare no competing interests.