Nakajima, Suguru
Suzuki, Masahiro
Kaneko, Yoshiyuki
Kobayashi, Masato
Igarashi, Takahiro
Gon, Yasuhiro
Yoshino, Atsuo
Uchiyama, Makoto
Article History
Received: 30 July 2019
Accepted: 24 August 2019
First Online: 28 August 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict interest.