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Authors
Tsukita, Kazuto https://orcid.org/0000-0002-6878-2155
Tachibana, Naoko https://orcid.org/0000-0002-7043-3149
Hamano, Toshiaki
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Article History
Received: 3 April 2020
Revised: 9 June 2020
Accepted: 10 June 2020
First Online: 16 June 2020
Compliance with ethical standards
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: On behalf of all authors, the corresponding author states that there is no conflict of interest concerning this study. Outside this study, Naoko Tachibana received a research grant from Novartis Pharma K.K.
: This study was approved by the institutional review board of Kansai Electric Power Hospital and conducted according to the ethical standards issued by the Declaration of Helsinki.
: The details of this study was posted up in our hospital with our contact information. All patients were exempt by the institutional review board of Kansai Electric Power Hospital from providing written informed consent due to the retrospective design of this study; however, all patients had the chance to request the detailed explanation from us and opt out at any time.
: Not applicable.
