Sugie, Takashige
Akamatsu, Takanori
Nishitsuji, Takashi
Hirayama, Ryuji http://orcid.org/0000-0001-7007-3756
Masuda, Nobuyuki
Nakayama, Hirotaka
Ichihashi, Yasuyuki
Shiraki, Atsushi
Oikawa, Minoru
Takada, Naoki
Endo, Yutaka
Kakue, Takashi
Shimobaba, Tomoyoshi
Ito, Tomoyoshi
Article History
Received: 13 September 2017
Accepted: 15 March 2018
First Online: 17 April 2018
Competing interests
: The authors declare no competing interests.