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Authors
Kurihara, Shigekazu
Kimura, Takefumi
Tanaka, Naoki
Yanagisawa, Takumi
Kobayashi, Hiroyuki
Kanai, Keita
Umemura, Takeji
Kobayashi, Mamoru
Mori, Hiromitsu
Wada, Shuichi
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Article History
Received: 16 July 2019
Accepted: 25 October 2019
First Online: 19 November 2019
Compliance with ethical standards
:
: The authors declare that having no conflict of interest.
: All procedures used were in accordance with ethical standards of the Helsinki Declaration.
: As this is a study based on data from a register, informed consent statement for this paper is not applicable.
