Funding for this research was provided by:
National Natural Science Foundation of China (81473022)
China Postdoctoral Science Foundation (2018M64303043)
Guangzhou Women and Children’s Medical Center (5001-3001075)
Text and Data Mining valid from 2019-10-17
Received: 2 May 2019
Accepted: 10 September 2019
First Online: 17 October 2019
Ethics approval and consent to participate
: The study was approved by the ethical review committee of the National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention (No. 2014–004). Informed written consent was obtained from the subjects before collecting the stool samples and information.
: Not applicable.
: The authors declare that they have no competing interests.