Sato, Midori
Inoue, Ayano
Takasawa, Akira
Takasawa, Kumi
Kyuno, Daisuke
Ono, Yusuke
Magara, Kazufumi
Osanai, Makoto http://orcid.org/0000-0003-1754-252X
Article History
Received: 11 March 2023
Accepted: 9 April 2023
First Online: 19 April 2023
Declarations
:
: The authors declare that we have no conflicts of interests.
: The present study was reviewed and approved by the Institutional Ethics Committee (approval no. 4-1-44) and Institutional Review Board (study no. 312-230) of Sapporo Medical University. The Ethics Committee waived the requirement to obtain written informed consent from the patients for the use of human tissues owing to the retrospective nature of the study. The research was conducted in accordance with the Declaration of Helsinki. The researchers involved in this study had no access to information that could identify individual participants during or after data collection.