Takahashi, Hiroshi
Aoki, Yasuchika
Nakajima, Arata
Sonobe, Masato
Terajima, Fumiaki
Saito, Masahiko
Miyamoto, Takuya
Koyama, Keita
Yamamoto, Keiichiro
Furuya, Takeo
Koda, Masao
Ohtori, Seiji
Yamazaki, Masashi
Nakagawa, Koichi
Article History
Received: 20 February 2017
Revised: 24 February 2018
Accepted: 13 March 2018
First Online: 19 March 2018
Compliance with ethical standards
:
: The authors declare that they have no competing interests.