Usukura, Eiji
Narita, Akihiro
Yagi, Akira
Sakai, Nobuaki
Uekusa, Yoshitsugu
Imaoka, Yuka
Ito, Shuichi
Usukura, Jiro http://orcid.org/0000-0003-2286-5403
Article History
Received: 23 March 2017
Accepted: 3 July 2017
First Online: 25 July 2017
Competing Interests
: The authors declare that they have no competing interests.