Funding for this research was provided by:
National Natural Science Foundation of China (31800124)
Received: 28 March 2020
Accepted: 2 June 2020
First Online: 12 June 2020
Ethics approval and consent to participate
: All participants involved in this study have provided written informed consent and the study protocols were permitted by the Ethics Committee of the First Hospital of China Medical University and performed in accordance with the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests in this work.