Zhao, Zongxing
Zhang, Yanan
Wang, Peiliang
Wang, Xin
Li, Minghuan http://orcid.org/0000-0001-8662-1024
Article History
Received: 25 April 2019
Accepted: 21 August 2019
First Online: 3 September 2019
Ethics approval and consent to participate
: This study was approved by the medical ethics committees of Shandong Cancer Hospital Affiliated to Shandong University and informed consent was waived.
: Not applicable.
: The authors declare that they have no competing interests.