Nakanishi, Shotaro http://orcid.org/0000-0002-0117-9490
Goya, Masato
Tamaki, Mitsuyoshi
Oshiro, Takuma
Saito, Seiichi
Article History
Received: 12 January 2021
Accepted: 27 May 2021
First Online: 3 June 2021
Declarations
:
: The present study was approved by the internal institutional review board of the University of the Ryukyus (Approval Number: 1341). This was a retrospective study, and informed consent was not required by the board.
: The data do not contain any information that could identify the patient, therefore consent for publication was waived.
: The authors declare that they have no competing interests.