Igarashi, Kazuei
Uemura, Takeshi
Kashiwagi, Keiko
Article History
Received: 4 December 2018
Accepted: 11 January 2019
First Online: 12 March 2019
Compliance with ethical standards
:
: The authors decrare that there is no conflict of interest.
: All procedures performed in studies involving human participants and animals were in accordance with the ethical standards of the ethics committee of Chiba University and with the 1964 Helsinki declaration and the later amendments or comparable ethics standards.