Kido, Koichi
Hatakeyama, Shingo http://orcid.org/0000-0002-0026-4079
Fujita, Naoki
Yamamoto, Hayato
Tobisawa, Yuki
Yoneyama, Tohru
Yoneyama, Takahiro
Hashimoto, Yasuhiro
Koie, Takuya
Iwabuchi, Ikuya
Ogasawara, Masaru
Kawaguchi, Toshiaki
Ohyama, Chikara
Funding for this research was provided by:
Japan Society for the Promotion of Science (15H02563, 15K15579, 17K11118, 17K11119, 17K16768, 17K16770, 17K16771)
Article History
Received: 21 October 2017
Accepted: 6 February 2018
First Online: 12 February 2018
Compliance with ethical standards
:
: The authors declare no conflicts of interest.
: This work was supported by a Grant-in-Aid for Scientific Research (No. 15H02563, 15K15579, 17K11118, 17K11119, 17K16768, 17K16770, and 17K16771) from the Japan Society for the Promotion of Science.
: 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 (authorization numbers; 2017–089) and all other hospitals.
: For this type of study, formal written consent is not required. 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 and/or observational study using a material such as the existing documentation. The study information was open for the public consumption at ExternalRef removed.