Takada, Ritsuko http://orcid.org/0000-0002-1615-056X
Mii, Yusuke http://orcid.org/0000-0002-1907-5665
Krayukhina, Elena
Maruyama, Yuusuke
Mio, Kazuhiro http://orcid.org/0000-0002-1655-8231
Sasaki, Yoshikazu
Shinkawa, Takao
Pack, Chan-Gi http://orcid.org/0000-0002-6578-3099
Sako, Yasushi http://orcid.org/0000-0002-5707-5455
Sato, Chikara http://orcid.org/0000-0001-5543-4496
Uchiyama, Susumu http://orcid.org/0000-0002-5181-179X
Takada, Shinji http://orcid.org/0000-0003-4125-6056
Article History
Received: 14 December 2017
Accepted: 11 September 2018
First Online: 10 October 2018
Competing interests
: The authors declare no competing interests.