Research ethics approval and protocol amendments
Cancer
CANCER
This study was approved by the Research Ethics Committee of the National Cancer Center Institutional Review Board (approval number, 2021 − 312; protocol version 1.4; January 17, 2022). Modifications to the protocol will be shared promptly at all three participating hospitals. They will be communicated to relevant parties immediately, including study participants, journal editors, and ethics committee members. This study will be conducted in accordance with the Declaration of Helsinki [