Saito, Hitoshi
Ito, Teruhiro
Omachi, Koichi
Inugami, Atsushi
Yamaguchi, Masaru
Tsushima, Megumi
Mariya, Yasushi
Kashiwakura, Ikuo
Article History
Received: 8 October 2019
Revised: 18 January 2020
Accepted: 20 January 2020
First Online: 29 January 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the Ethics Committees of Hirosaki University and Akita Kousei Medical Center (Approval No. 2015-024 and No. 45). All procedures performed in studies involving human participants were in accordance with the ethical standards of the Institutional Review Board (IRB) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The IRB was obtained without patients’ informed consent. This article does not contain any studies with animals performed.
: Since this study uses past inspection data, it does not conduct any new inspections. Personal information is anonymized, and do not use personal identifying information such as the name and address of the data provider. Therefore, informed consent will not be acquired. This article does not contain any studies with human participants.