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Authors
Narita, Takuma
Hatakeyama, Shingo http://orcid.org/0000-0002-0026-4079
Koie, Takuya
Hosogoe, Shogo
Matsumoto, Teppei
Soma, Osamu
Yamamoto, Hayato
Yoneyama, Tohru
Tobisawa, Yuki
Yoneyama, Takahiro
Hashimoto, Yasuhiro
Ohyama, Chikara
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Funding
Funding for this research was provided by:
Japan Society for the Promotion of Science (23791737, 15H02563, 15K15579, 17K11118, 17K11119, 17K16768, 17K16770, 17K16771)
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Article History
Received: 24 December 2015
Accepted: 25 August 2017
First Online: 31 August 2017
Authors’ information
: TN: postgraduate student, SH: assistant professor, TK: associate professor, SH: postgraduate student, TM: postgraduate student, OS: postgraduate student, YH: associate professor, TY: associate professor, YT: associate professor, TY: associate professor, YH: associate professor, CO: professor and chairman, Department of Urology, Hirosaki Graduate School of Medicine.
: This study was performed in accordance with the ethical standards of the Declaration of Helsinki, and approved by an ethics review board of Hirosaki University School of Medicine (The authorization number: 2015–047). The participants in this study provide their verbal informed consent, and it was recorded in medical chart. Pursuant to the provisions of the ethics committee and the ethic guideline in Japan, written consent was not required in exchange for public disclosure of study information in the case of retrospective study. The study information was open for the public consumption at ExternalRef removed.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
