Cao, Shujun
Li, Na
Liao, Xihong
Article History
Received: 6 June 2020
Accepted: 21 December 2020
First Online: 1 February 2021
Ethics approval and consent to participate
: The present study was approved by the Ethics Committee of Songjiang district central hospital. The research has been carried out in accordance with the World Medical Association Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.