Endo, Kimihiko https://orcid.org/0000-0002-9191-4152
Nakada, Hiroshi
Kadota, Yoshihito
Mizutani, Youichi
Shinkawa, Norihiro
Onoe, Koji
Yoshinaga, Naoki
Azuma, Minako
Hirai, Toshinori
Article History
Received: 30 July 2018
Accepted: 22 September 2018
First Online: 27 September 2018
Compliance with ethical standards
:
: All authors declare no conflicts-of-interest related to this article.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This study was approved by the ethics committee of the University of Miyazaki and the Health Screening Center of the Miyazaki District Medical Association. The institutional IRB decided to waive the informed consent of this study because it was an observational study using retrospectively collected, anonymized data.