Takahashi, Akiko
Okada, Ryo
Nagao, Koji
Kawamata, Yuka
Hanyu, Aki
Yoshimoto, Shin
Takasugi, Masaki
Watanabe, Sugiko https://orcid.org/0000-0002-2120-9546
Kanemaki, Masato T https://orcid.org/0000-0002-7657-1649
Obuse, Chikashi
Hara, Eiji
Article History
Received: 4 July 2016
Accepted: 13 March 2017
First Online: 16 May 2017
Competing interests
: The authors declare no competing financial interests.