Funding for this research was provided by:
the Fundamental Research Funds for the Provincial Universities (2017LCZX90)
Postdoctoral Foundation of Hei Long Jiang Province (LBH-Z17181)
Article History
Received: 19 November 2018
Accepted: 5 June 2019
First Online: 12 June 2019
Ethics approval and consent to participate
: The study procedures were approved by the Ethics Committee of The Harbin Medical University Cancer Hospital. This study was registered prospectively at ExternalRef removed on October 10, 2017 (Registered ChiCTR-INR-17012939). The purpose of the study was explained to the family of patients under the study. The written consent was obtained from study participants. The patients were informed that the care to be given was not be compromised in any way and confidentiality was assured. Name and other identifying information were not used in the study.
: Not applicable.
: The authors declare that they have no conflicts of interest.