Funding for this research was provided by:
National Natural Science Foundation of China (61331014, 61521062)
Multi-Centered Clinical Research Foundation (DLY201615)
Text and Data Mining valid from 2019-11-15
Received: 14 March 2019
Accepted: 8 November 2019
First Online: 15 November 2019
Ethics approval and consent to participate
: The subjects in this study were all healthy people, and they did not receive any clinical examination. Thus, the ethics approval is not applicable. Every participate had signed a consent form before the experiment.
: There are only 2 individuals’ data in this manuscript. They both signed written informed consent forms.
: The authors declare that they have no competing interests.