Sakamoto, Takuya
Tsujimoto-Inui, Yayoi
Sotta, Naoyuki http://orcid.org/0000-0001-5558-5155
Hirakawa, Takeshi
Matsunaga, Tomoko M.
Fukao, Yoichiro
Matsunaga, Sachihiro http://orcid.org/0000-0003-3024-3559
Fujiwara, Toru
Article History
Received: 18 July 2017
Accepted: 5 September 2018
First Online: 11 December 2018
Competing interests
: The authors declare no competing interests.