Ding, Enmin
Wang, Huan
Han, Lei
Zhang, Hengdong
Zhu, Baoli
Funding for this research was provided by:
Jiangsu Province’s Outstanding Medical Academic Leader program (CXTDA2017029)
Article History
Received: 20 September 2019
Accepted: 12 March 2020
First Online: 23 March 2020
Compliance with ethical standards
: Informed consent was obtained from all participants, and this research was approved by the Ethics Committee of the Jiangsu Provincial Center for Disease Prevention and Control (Nanjing, Jiangsu Province, China).
: The authors declare that they have no conflict of interest.