Hayashi, Kentaro http://orcid.org/0000-0001-8360-7630
Tsunoda, Akira
Shiraishi, Atsushi
Kusanagi, Hiroshi
Article History
Received: 23 May 2019
Accepted: 17 June 2019
First Online: 5 July 2019
Compliance with ethical guidelines
:
: K. Hayashi, A. Tsunoda, A. Shiraishi, and H. Kusanagi declare that they have no competing interests.
: All procedures performed in this study 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. Informed consent was obtained from all individual participants included in the study.