Tada, Mayako
Hirata, Makoto
Sasaki, Mitsuho
Sakate, Ryuichi
Kohara, Arihiro
Takahashi, Ichiro
Kameoka, Yosuke
Masui, Toru
Matsuyama, Akifumi
Funding for this research was provided by:
Mnistry of Health and Welfare (243)
Article History
Received: 17 December 2017
Accepted: 12 February 2018
First Online: 2 April 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.