Long, Gong
Yao, Zhang Yao
Na, Yang
Ping, Yi
Wei, Sun
Mingsheng, Tan
Article History
Received: 14 February 2020
Accepted: 28 July 2020
First Online: 22 September 2020
Ethics approval and consent to participate
: The study was approved by the ethics committee of the China-Japan Friendship Hospital. The study was performed under Helsinki’s ethical principle. To preserve confidentiality, we coded each patient and removed their original identifications. Written informed consent was based on hospital consent policy at the time of admission or clinic visit, in which patients consented to analysis of their medical records. Administrative permissions were acquired by our team to access the data used in this research.
: Not applicable.
: The authors declare that they have no further competing interests.