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Authors
Tojyo, Itaru http://orcid.org/0000-0003-0528-3313
Nakanishi, Takashi
Shintani, Yukari
Okamoto, Kenjiro
Hiraishi, Yukihiro
Fujita, Shigeyuki
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Article History
Received: 26 June 2019
Accepted: 23 August 2019
First Online: 10 September 2019
Ethics Approval and Consent to participate
: This retrospective study followed the Declaration of Helsinki on medical protocol and ethics, approved by the regional ethical review board of Wakayama Medical University (Protocol Identification Number 1698). General consent was given by the patients.
: Not applicable.
: The authors declare that they have no competing interests.
