Kajikawa, Tomohiro
Kadoya, Noriyuki
Ito, Kengo
Takayama, Yoshiki
Chiba, Takahito
Tomori, Seiji
Takeda, Ken
Jingu, Keiichi
Article History
Received: 14 May 2018
Revised: 8 August 2018
Accepted: 9 August 2018
First Online: 14 August 2018
Compliance with ethical standards
:
: The authors have no relevant conflicts of interest to disclose.
: All procedures involving human participants were in accordance with the ethical standards of the Institutional Review Board (IRB) and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. IRB approval was obtained and the requirement for patients’ informed consent was waived.