Funding for this research was provided by:
National Natural Science Foundation of China (81860463)
Yunnan Provincial Science and Technology Department (2017FE468(-067))
Received: 24 October 2018
Accepted: 7 February 2019
First Online: 20 February 2019
Ethics approval and consent to participate
: The Research Ethics Committee of the Yunnan Provincial Cancer Hospital approved this study. Written informed consent was provided by all patients before the treatment procedure was initiated.
: No conflict.
: The authors declare that they have no competing interest.
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