Funding for this research was provided by:
The National Key Research and Development Program of China (2016YFC1301202)
Received: 2 February 2020
Accepted: 29 April 2020
First Online: 23 July 2020
Ethics approval and consent to participate
: This study was conducted under the guiding principles of the Declaration of Helsinki and was approved by the Clinical Research Ethics Committee of the Guangdong Provincial People’s Hospital. All participants were verbally informed of the study.
: Not applicable.
: The authors declare that they have no competing interests.