Ren, Yanping
Pan, Liping
Du, Xueyun
Hou, Yuying
Li, Xun
Song, Yijun
Funding for this research was provided by:
Application Foundation and Advanced Technology Research Program of Tianjin (14JCZDJC35400)
Article History
Received: 25 February 2019
Accepted: 30 March 2020
First Online: 15 April 2020
Ethics approval and consent to participate
: According to the protocols approved by the ethics committee of the Tianjin Medical University General Hospital (Ethical NO. IRB2020-WZ-036), all subjects have signed a written informed consent. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Not applicable.
: The authors declare that they have no competing interests.