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Authors
Hirota, Yoshito
Kunisawa, Susumu
Fushimi, Kiyohide
Imanaka, Yuichi https://orcid.org/0000-0001-8465-3970
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Funding
Funding for this research was provided by:
Ministry of Health, Labour and Welfare (H30-seisaku-shitei-004)
Japan Society for the Promotion of Science (16H02634, 19H01075)
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Article History
Received: 28 September 2019
Accepted: 5 February 2020
First Online: 18 February 2020
Ethics approval and consent to participate
: The collection and analysis of DPC data were approved (reference number R0135) by the Ethics Committee of the Kyoto University Graduate School of Medicine. This study was conducted in accordance with the Ethical Guidelines for Medical and Health Research Involving Human Subjects stipulated by the Japanese national government, which include the requirements for protecting patient anonymity. Because of the anonymous nature of the data, the requirement for written informed consent of subjects was waived off.
: Not applicable.
: The authors declare that they have no competing interests.
