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Authors
Umemura, Takumi https://orcid.org/0000-0003-3160-5136
Wakita, Eri
Asano, Masami
Mizuno, Takahito
Kozaki, Koji
Ikeda, Yoshiaki
Takeda, Hirokazu
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Article History
Received: 20 March 2019
Accepted: 7 May 2019
First Online: 3 June 2019
Ethics approval and consent to participate
: This study was approved by the ethics committee of Tosei General Hospital (receipt No. 746), and was performed according to the Declaration of Helsinki. The names of the subjects were protected during data collection.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
