Funding for this research was provided by:
Shanghai Jiaotong University (CHDI-2018-A-07)
Received: 27 April 2020
Accepted: 23 October 2020
First Online: 29 October 2020
Ethics approval and consent to participate
: This study was part of nosocomial infection surveillance and was approved by the Research Ethics Committee of Shanghai Children’s Hospital of Shanghai Jiao Tong University (Approval No: 2020R074-E01). All data were kept confidential without patient identifiers.
: Not applicable.
: The authors declare that they have no competing interests.