Inokuchi, Yasuhiro
Koya, Saki
Uematsu, Masahiro
Takashina, Tsuneyuki
Article History
Received: 19 April 2019
Revised: 6 September 2019
Accepted: 7 September 2019
First Online: 18 September 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: All procedures performed in these studies involving human participants were in accordance with the ethical standards as defined by the Institutional Review Board and the 1964 Helsinki Declaration and its later amendments, or comparable ethical standards.
: Formal informed consent was not required at our institution to conduct this kind of study.