Funding for this research was provided by:
National Natural Science Foundation of China (81874265)
Shanghai Municipal Health Bureau (2017YQ033)
Shanghai Municipal Human Resources and Social Security Bureau (2018003)
Medical and Industrial Cross Research Foundation of Shanghai Jiao Tong University (YG2017MS75)
Excellent Youth Talent Development Program of Xinhua Hospital (2016007)
Science and Technology Commission of Shanghai Municipality (18411966600, 19410740800)
School of Medicine, Shanghai Jiao Tong University (BYH20180206)
Received: 6 February 2020
Accepted: 22 November 2020
First Online: 2 December 2020
Ethics approval and consent to participate
: Ethical approval was granted from the ethics committees and review board of Xinhua Hospital affiliated to Shanghai Jiao Tong University School of Medicine (ID: XHEC-C-2019-109). The data of all cases was retrospectively collected, with removal of identifiable information. Administrative permissions to access the raw data were granted by the Department of Infectious Diseases, Department of Neonatal Medicine, Department of Pediatrics Intensive Care Unit and Department of Clinical Laboratory of Xinhua Hospital.
: Not applicable.
: The authors report no relationships that could be construed as a potential conflict of interest.