Sakuma, Mayumi
Kitamura, Kaori
Endo, Naoto
Ikeuchi, Takeshi
Yokoseki, Akio
Onodera, Osamu
Oinuma, Takeo
Momotsu, Takeshi
Sato, Kenji
Nakamura, Kazutoshi
Narita, Ichiei
Article History
Received: 14 December 2017
Accepted: 30 April 2018
First Online: 14 June 2018
Compliance with ethical standards
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: All authors have no conflicts of interest to declare.