Feng, Fang
Cai, Wei
Wang, Gaoming
Chen, Weigang
Yang, Haochang
Sun, Mingyu
Zhou, Li
Article History
Received: 7 June 2020
Accepted: 20 August 2020
First Online: 27 August 2020
Ethics approval and consent to participate
: The study protocol was approved by the Ethics Committee of Suzhou Ninth People’s Hospital. All patients from the SEER database gave consent to participate in any scientific researches.
: Not applicable.
: The authors declare that they have no competing interests.