Funding for this research was provided by:
Zhejiang Medical Science and Technology Program (2018RC015)
Natural Science Foundation of Huzhou Science and Technology Bureau (2017YZ04)
Received: 22 February 2018
Accepted: 17 July 2018
First Online: 24 July 2018
Ethics approval and consent to participate
: Ethics approval for this study was obtained from the human research ethics committee of Huzhou Center for Disease Control and Prevention. Informed consent for the stool samples was obtained from the patients or their guardians.
: Not applicable.
: The authors declare that they have no competing interests.
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