Kubo, Katsumaro
Kenjo, Masahiro
Doi, Yoshiko
Nakao, Minoru
Miura, Hideharu
Ozawa, Shuichi
Nagata, Yasushi
Article History
Received: 5 August 2019
Accepted: 6 October 2019
First Online: 15 October 2019
Compliance 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.