Xin, Ling
Liu, Jian
Zhu, Yongjian
Fang, Yanyan
Article History
Received: 25 April 2021
Accepted: 12 July 2021
First Online: 26 July 2021
Declarations
:
: This study was reviewed and approved by the institutional committee of the First Affiliated Hospital of Anhui University of Chinese Medicine on research ethics (No. 2020AH-08), and it conforms to the ethical guidelines of the 1975 Declaration of Helsinki. The informed consent was waived by the institutional committee of the First Hospital Affiliated to the Anhui University of Chinese Medicine on research ethics because any variables regarding privacy were not collected.
: Not applicable.
: The authors declare that they have no competing interests.