Kitagawa, Toshiro http://orcid.org/0000-0002-5433-2428
Nakamoto, Yumiko
Fujii, Yuto
Sasaki, Ko
Tatsugami, Fuminari
Awai, Kazuo
Hirokawa, Yutaka
Kihara, Yasuki
Article History
Received: 19 November 2019
Accepted: 26 December 2019
First Online: 2 January 2020
Compliance with ethical standards
:
: The authors declare that they have not have no conflict 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 or comparable ethical standards.
: Written informed consent was obtained from all individual participants included in the study.