Song, Ji-Tao
Chang, Xiao-Hua
Liu, Shan-Shan
Chen, Jing
Liu, Ming-Na
Wen, Ji-Feng
Hu, Ying
Xu, Jun
Article History
Received: 26 June 2020
Accepted: 9 December 2020
First Online: 6 January 2021
Ethics approval and consent to participate
: This study was approved by the Ethical Committee of the Second Affiliated Hospital of Harbin Medical University. Written informed consents were obtained from all adult patients and the guardians of paediatric patients.
: Not applicable.
: The authors declare that they have no competing interests.