Funding for this research was provided by:
Postdoctoral Research Foundation of China (2019M661039)
ianjin Medical University Cancer Institute and Hospital (1903)
Received: 18 December 2019
Accepted: 10 November 2020
First Online: 25 November 2020
Ethics approval and consent to participate
: Patients gave verbal informed consent to participate at time of diagnosis and the ethics committee at Tianjin Tumor Hospital approved this procedure (Ek2019037). Patients were informed that they had the opportunity to opt-out if they were not willing to participate in the study.
: Not applicable.
: The authors declare that they have no competing interests.