Hou, Fengyi
Chang, Yuxiao
Huang, Zongyu
Han, Ni
Bin, Lei
Deng, Huimin
Li, Zhengchao
Pan, Zhiyuan
Ding, Lei
Gao, Hong
Yang, Ruifu
Zhi, Fachao
Bi, Yujing
Article History
Received: 23 October 2019
Accepted: 11 December 2019
First Online: 30 December 2019
Ethics approval and consent to participate
: The research was approved by the Ethics Committee of Shijitan Hospital (Beijing, China; agreement no. 2018KY55). And all volunteers signed a consent document and consented to isolate gut bacteria from their feces. All procedures were performed according to the guidelines of the Ethics Committee and in accordance with local laws and regulations.
: The authors declare that they have no competing interests.