Hashiyama, Naoki
Goda, Motohiko
Uchida, Keiji
Isomatsu, Yukihisa
Suzuki, Shinichi
Mo, Makoto
Nishida, Takahiro
Masuda, Munetaka
Article History
Received: 14 March 2018
Accepted: 19 June 2018
First Online: 27 June 2018
Ethics approval and consent to participate
: This retrospective cohort study was performed at a single Japanese center in human subjects and was reviewed and approved by the Institutional Review Board at Yokohama City University Medical Center. Informed consent for this study was waived because no individual patients were identified.
: Not applicable.
: The authors declare that they have no competing interests.
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