Funding for this research was provided by:
Anhui science and technology tackling key project (NO1804h08020239.)
Received: 22 February 2020
Accepted: 6 June 2020
First Online: 29 June 2020
Ethics approval and consent to participate
: The final protocol was reviewed and approved by the Ethics Committee of the First Affiliated Hospital of Anhui Medical University (PJ2019-17-12). Informed consent will be obtained from all study participants. Additional consent provisions will be informed for the collection and use of participant data and biological specimens.
: Informed consent was obtained from the patients for any accompanying images and supplementary video at the time of admission. These are available from the corresponding author on request.
: The authors declare that they have no competing interests.