Tanaka, Yujiro
Tainaka, Takahisa
Uchida, Hiroo
Article History
Received: 21 August 2017
Accepted: 6 February 2018
First Online: 12 February 2018
Compliance with ethical standards
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: Yujiro Tanaka and the other co-authors have no conflicts of interest.