Chai, Wei
Liu, Ruhai
Li, Fengshan
Zhang, Zhiquan
Lei, Bao
Funding for this research was provided by:
the Natural Funding of Cangzhou Central Hospital (201808)
Article History
Received: 27 July 2020
Accepted: 4 September 2020
First Online: 20 September 2020
Compliance with ethical standards
:
: All the authors declare that they have no conflict of interest.
: The present study was approved by the Ethics Committee of Cangzhou Central Hospital (Approval number: 202005-08). The research has been carried out in accordance with the World Medical Association Declaration of Helsinki.
: All patients provided written informed consent.