Washino, Satoshi
Kobayashi, Shigeru
Okochi, Tomohisa
Kameda, Tomohiro
Konoshi, Tsuzumi
Miyagawa, Tomoaki
Takayama, Tatsuya
Morita, Tatsuo
Article History
Received: 11 February 2017
Accepted: 10 May 2018
First Online: 30 May 2018
Ethics approval and consent to participate
: The study protocol was reviewed and approved by the Institutional Review Board at Jichi Medical University or Jichi Medical University Saitama Medical Center (Rin15–29 and RinA14–096) and obtaining additional informed consent from patients was not required by the ethics committee for this retrospective study.
: The authors declare that they have no competing interests.
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