Funding for this research was provided by:
Wu Jieping Medical Foundation (320.2710.1821)
Research Project of Tianjin Union Medical Center (2019ZDXK03)
Received: 4 June 2020
Accepted: 26 October 2020
First Online: 6 November 2020
Ethics approval and consent to participate
: The study has been conducted in accordance with the Declaration of Helsinki. Informed consent was obtained from all participants. The study was approved by the Ethics Committee of Tianjin Union Medical Center. The number of ethic is 2020-B04.
: All authors have provided their consent for publication of the manuscript.
: All authors have declared no potential competing interests.