Funding for this research was provided by:
National Natural Science Foundation of China (81672020, 81402732)
Jiangsu Province Science & Technology Demonstration Project for Emerging Infectious Diseases Control and Prevention (BE2015714)
Scientific and technological development foundation of Wuxi (CSE31N1515)
Text and Data Mining valid from 2019-01-22
Received: 21 June 2018
Accepted: 26 December 2018
First Online: 22 January 2019
Ethics approval and consent to participate
: This study was approved by approved by the Ethics Committee of Jiangsu Provincial Center for Disease Control and Prevention, China, and the methods were carried out in compliance with the principles of the Declaration of Helsinki. Written informed consent was obtained from all participants or the patients’ legal guardians as appropriate.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.