Funding for this research was provided by:
National Natural Science Foundation of China (81874139, 81672991, 81672787)
National Basic Research Program of China (973 Program) (2015CB553903)
Hunan Provincial Key Area R&D Programmes (2019SK2253)
Text and Data Mining valid from 2020-03-02
Received: 18 December 2019
Accepted: 24 February 2020
First Online: 2 March 2020
Ethics approval and consent to participate
: This study was conducted at the Xiangya Hospital, Central South University, Hunan, China. All of the protocols were reviewed and approved by the Joint Ethics Committee of the Central South University Health Authority and performed in accordance with national guidelines.
: This manuscript has been read and approved by all the authors to publish and is not submitted or under consideration for publication elsewhere.
: The authors declare that they have no competing interests. The authors declare no conflict of interest. This manuscript has been read and approved by all authors and is not under consideration for publication elsewhere.