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Authors
Okamoto, Fumiki
Morikawa, Shohei
Sugiura, Yoshimi
Hoshi, Sujin
Hiraoka, Takahiro
Oshika, Tetsuro
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Article History
Received: 23 December 2019
Revised: 3 February 2020
Accepted: 10 February 2020
First Online: 21 February 2020
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: We conducted this prospective comparative study in accordance with the Declaration of Helsinki and received approval from the institutional review committees of the University of Tsukuba Hospital. Prior to enrollment in the study, all patients provided informed consent after the nature of the study was explained (On line 69–72 of the manuscript).
