Yonekura, Satoru http://orcid.org/0000-0003-4047-3016
Terauchi, Fumihito
Hoshi, Kenji
Yamaguchi, Takehiko
Kawai, Shigeo
Article History
Received: 13 November 2017
Accepted: 29 May 2018
First Online: 3 June 2018
Compliance with Ethical Standards
:
: The authors declare that there are no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of Tochigi Medical Center Shimotsuga HospitalĀ and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this type of study formal consent is not required.
: The requirement for written informed consent was waived by the institutional review board due to the retrospective nature of this study. All patient data were processed in anonymity and de-identified prior to analysis.