Santoh, Masataka
Sanoh, Seigo
Takagi, Masashi
Ejiri, Yoko
Kotake, Yaichiro
Ohta, Shigeru
Article History
Received: 2 November 2015
Accepted: 19 January 2016
First Online: 22 February 2016
Competing interests
: This study was supported by JSPS KAKENHI Grant Number 26293029 and by Kuraray Co., Ltd as collaborated study.