Funding for this research was provided by:
Natural Science Foundation of Ningbo Municipality (2018A610368)
Received: 13 May 2020
Accepted: 17 July 2020
First Online: 28 July 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of HwaMei Hospital, University of Chinese Academy of Sciences.
: Written informed consent for publication was obtained from the participant.
: The authors declare that they have no conflict of interest.