Funding for this research was provided by:
internal funding source (departmental funding) in Xingtai People’s Hospital
Article History
Received: 2 June 2020
Accepted: 27 October 2020
First Online: 9 November 2020
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: All the protocols were approved by the Ethics Committee of Xingtai People’s Hospital. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: All participants in this study were informed and gave a written consent.