Received: 21 August 2018
Accepted: 13 December 2018
First Online: 7 January 2019
Change Date: 26 April 2019
Change Type: Correction
Change Details: .
Ethics approval and consent to participate
: The present study was authorized by the Ethics Committee of Harbin Medical University Cancer. All procedures performed in studies were in accordance with the ethical standards. Informed consent was obtained from all patients and volunteers before they were included in the study.
: Not applicable.
: The authors declare that they have no competing interests.
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