Funding for this research was provided by:
National Natural Science Foundation of China (61702087)
Fundamental Research Funds for the Central Universities (N172008008)
Received: 28 December 2020
Accepted: 24 May 2021
First Online: 7 June 2021
: This study was approved by the Medical Ethics Committee of the First Hospital of China Medical University and was in accordance with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. All subjects gave written informed consent in accordance with the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.