Ning, Nian-zhi
Li, Tao
Zhang, Ju-ling
Qu, Fen
Huang, Jie
Liu, Xiong
Li, Zhan
Geng, Wei
Fu, Jun-liang
Huan, Wang
Zhang, Shu-yong
Bao, Chun-mei
Wang, Hui
Funding for this research was provided by:
National Key Basic Research Program (973) of China (2015CB554202)
National Natural Science Foundation of China (81401643)
State Key Research Development Program of China (2016YFC1200301)
science and technology plan program of Beijing, China (Z151100003915151)
State Key Laboratory of Pathogen and Biosecurity Program (SKLPBS1530)
Article History
Received: 8 August 2017
Accepted: 17 April 2018
First Online: 4 June 2018
Ethics approval and consent to participate
: The study was reviewed and approved by the Beijing 302 Hospital Research Ethics Committee. The Beijing 302 Hospital Research Ethics Committee waived the need for written informed consent from the participants due to the de-identified secondary data analyzed in this study.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.