Yamaguchi, Takamune
Kokudo, Takashi
Akamatsu, Nobuhisa
Kaneko, Junichi
Arita, Junichi
Sakamoto, Yoshihiro
Kokudo, Norihiro
Hasegawa, Kiyoshi
Article History
First Online: 12 June 2018
Compliance with ethical standards
:
: The authors do not have any conflicts of interest to report; no financial support was received.