Aizawa, Tomomi
Imaizumi, Tadaatsu
Hirono, Koji
Watanabe, Shojiro
Tsugawa, Koji
Tanaka, Hiroshi http://orcid.org/0000-0001-7057-813X
Article History
Received: 30 July 2018
Accepted: 7 October 2018
First Online: 20 October 2018
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest.
: This study was not involved human subjects which required ethical approval.