Hashimoto, Masashi http://orcid.org/0000-0002-0329-5110
Kitagami, Hidehiko
Niwa, Hiroki
Kikkawa, Tomohiro
Ohuchi, Tomoyuki
Takenouchi, Toshinao
Hosokawa, Masao
Article History
Received: 1 September 2018
Accepted: 18 March 2019
First Online: 1 April 2019
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest.
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later versions. This study was approved by an ethical review board in Keiyukai Sapporo Hospital.
: Informed consent or substitute for it was obtained from all patients for being included in the study.