Funding for this research was provided by:
Beijing-Tianjin-Hebei Basic Research Cooperation Project (19JCZDJC64200)
State Scholarship Fund from China Scholarship Council (201806940031)
Received: 29 April 2020
Accepted: 17 September 2020
First Online: 29 September 2020
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Tianjin Medical University General Hospital.
: Informed consent was obtained from all participants for publication.
: The authors declare no competing interests.