Tan, Yuting
Liu, Xiaoqing
Shi, Xiaochun
Funding for this research was provided by:
the National Major Science and Technology Research Projects for the Control and Prevention of Major Infectious Diseases of China (2017ZX10201302-003)
Chinese Academy of Medical Sciences (CAMS) Chinese Academy of Medical Sciences Initiative for Innovative Medicine (2016-I2M-1-013)
Article History
Received: 21 September 2018
Accepted: 19 February 2019
First Online: 27 February 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Peking Union Medical College Hospital. Waiver of consent was granted since this was a retrospective study.
: Not applicable.
: The authors declare that they have no competing interests.
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