Funding for this research was provided by:
National Major Science and Technology Projects of China (2018ZX10301201-008)
China National Funds for Distinguished Young Scientists (81702757, 81600506)
Postdoctoral Research Foundation of China ((2018M632814))
Received: 28 August 2019
Accepted: 17 December 2019
First Online: 3 January 2020
Ethics approval and consent to participate
: The study was approved by the human ethic committee of The First Affiliated Hospital of Zhengzhou University. All patients provided written informed consent and the project was in accordance with the Helsinki Declaration of 1975.
: All the listed authors have participated actively in the study, and have seen and approved the submitted manuscript.
: The authors declare that they have no competing interests.