Kubo, Katsumaro
Wadasaki, Koichi
Shinozaki, Katsunori
Article History
Received: 31 October 2018
Accepted: 18 January 2019
First Online: 28 January 2019
Compliance with ethical standards
:
: The authors declare that there are no conflicts of interest.
: 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.