Funding for this research was provided by:
National Natural Science Foundation of China (No. 81400160)
Natural Science Foundation of Fujian Province (No. 2017J01185)
Novel coronavirus pneumonia prevention and control project of Fujian Medical University (2020YJ007)
Received: 24 July 2020
Accepted: 12 January 2021
First Online: 18 January 2021
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of the First Affiliated Hospital of Fujian Medical University and was conducted in accordance with Chinese law and the Guidelines of the National Human Biomedical Research Policies. Written informed consent was obtained from the patients or the guardians before the investigation. Administrative permissions of the data were acquired by the authors (Prof. Zeng ZY, Chen GP, and Wu JN) for research purposes.
: Not applicable.
: The authors declare that they have no competing interests.