Mori, Takahisa
Yoshioka, Kazuhiro
Article History
Received: 3 November 2019
Accepted: 2 March 2020
First Online: 10 March 2020
Ethics approval and consent to participate
: All procedures performed in the study were in accordance with the ethical standards of the institution (Shonan Kamakura General Hospital) and with the 1964 Helsinki Declaration. The institutional (Shonan Kamakura General Hospital) ethics committee approved access to medical records for our retrospective analysis. Informed consent was not required because of routine medical care, the retrospective design, and the anonymisation of patient identifiers.
: Not applicable
: The authors declare that they have no competing interests.