Funding for this research was provided by:
National Natural Science Foundation of China (NO.81760143)
Science and Technology Program of Yunnan (U0120170150)
Research Foundation for Advanced Talents of Ludong University (NO.L-201624)
Received: 11 April 2019
Accepted: 4 October 2019
First Online: 7 November 2019
Ethics approval and consent to participate
: All experiments were performed in strict accordance with the Ethics Committee at The First People’s Hospital of Yunnan P.R. China. Informed consent was obtained from all subjects. The Institutional Committee of the First People’s Hospital of Yunnan P.R. China approved the experimental protocols (registration number: 2017YY138).
: All co-authors have seen and approved the final version of the paper and have agreed to its submission for publication. All patients signed informed written consent forms.
: The authors declare that they have no competing interests.