Funding for this research was provided by:
National Natural Science Foundation of China (No.81570742,81670757,81770822,81800732)
Natural Science Foundation of Shandong Province (NOZR2017LH025, No. ZR2016HQ26)
Shandong Provincial Medicine and Health Science and Technology Development Program (No.2017WS461)
the Key Research & Development Plan of Shandong Province (No. 2018GSF118176)
Text and Data Mining valid from 2020-03-24
Received: 21 November 2019
Accepted: 13 March 2020
First Online: 24 March 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Qilu Hospital of Shandong University.
: All the authors have agreed to publish this article.
: The authors declare that they have no competing interests.