Kageyama, Susumu http://orcid.org/0000-0001-7150-647X
Yoshida, Tetsuya
Nagasawa, Masayuki
Kubota, Shigehisa
Tomita, Keiji
Kobayashi, Kenichi
Murai, Ryosuke
Tsuru, Teruhiko
Hanada, Eiki
Johnin, Kazuyoshi
Narita, Mitsuhiro
Kawauchi, Akihiro
Article History
Received: 11 January 2017
Accepted: 18 May 2018
First Online: 30 May 2018
Ethics approval and consent to participate
: This study was approved by the ethics committee of the Shiga University of Medical Science (27–99). Written informed consent is not necessarily required in this observational non-invasive retrospective study according to the local guideline (the Ethical Guidelines for Medical and Health Research Involving Human Subjects by the Ministry of Health, Labour and Welfare of Japan).
: The authors declare that they have no competing interests.
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