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Authors
Hirai, Jun
Kinjo, Takeshi https://orcid.org/0000-0002-0262-0401
Koga, Tomomi
Haranaga, Shusaku
Motonaga, Eiji
Fujita, Jiro
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Article History
Received: 21 January 2020
Accepted: 30 October 2020
First Online: 10 November 2020
Ethics approval and consent to participate
: There are no ethical problems or conflict of interests with regard to this manuscript. The medical records of all confirmed cases were retrospectively reviewed, with identifying information removed. The study was reviewed and approved by the Institutional Ethics Committee of Okinawa Miyako Hospital approved this study (approval number 18 M005).
: Not applicable. The medical records of all confirmed cases were retrospectively reviewed, with identifying information removed.
: The authors declare that they have no competing interests.
