Funding for this research was provided by:
Natural Science Foundation of Jiangsu Province (BK20160064)
National Natural Science Foundation of China (31802222)
National Key Research and Development Program of China (2017YFD0500804)
Received: 17 August 2018
Accepted: 16 January 2019
First Online: 6 February 2019
Ethics approval and consent to participate
: Samples and bacterial isolates used in the present study were obtained for diagnostic purposes and do not require ethical approval or owner consent.
: Not applicable.
: The authors declare that they have no competing interests.
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