Wang, Jiazhou
Miao, Yibing
Ou, Xiaomin
Wang, Xiaoshen
He, Xiayun
Shen, Chunying
Ying, Hongmei
Hu, Weigang
Hu, Chaosu
Article History
Received: 22 November 2018
Accepted: 4 March 2019
First Online: 12 March 2019
Ethics approval and consent to participate
: This retrospective study was approved by the Fudan University Shanghai Cancer Center Institutional Review Board and all methods were performed in accordance with the guidelines and regulations of this ethics board. And for this type of study formal consent is not required.
: Not applicable.
: The authors declare that they have no competing interests.
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