Funding for this research was provided by:
Health Commission of Zhejiang province, China (Grants#2021KY1186)
Science and Technology Agency of Yiwu city, China (Grants#2018-3-76)
Received: 16 November 2020
Accepted: 1 June 2021
First Online: 8 June 2021
: The study protocol was approved by the Human Research Ethics Committee of Yiwu Central Hospital, which adheres to local policy, national laws, and the World Medical Association Declaration of Helsinki. Written informed consent was obtained from all patients.
: Written informed consent was obtained from all patients for publication of this study and any accompanying images. A copy of the written consent form is available for review by the Editor-in-Chief of this journal.
: The authors declare that they have no competing interests.