Author contributions
Y Wei and H Huang were responsible for the conceptualization of the study. Y Wei and X Liu were responsible for funding the acquisition. C Wang, G Ruan, Z Xiao, and F Xu, were responsible for the ethical approval and clinical trial registration. Y Tian and G Ruan were responsible for the preparation of FMT capsules. G Tan, X Hu, Z Xiao, Y Cheng, and P Yang were responsible for the follow-up of participants and data acquisition. Y Wei, H Huang, and D Chen were responsible for the supervision of the investigators working on this trial. Y Cheng, Q Zhu, S Ying, and J Qie were responsible for the statistical analysis and bioinformatics. Y Cheng and Q Zhu were responsible for the data visualization. Y Cheng and Q Zhu were responsible for the original draft writing. All authors contributed to the writing and review of the manuscript. All clinical data were accessed and verified by Y Wei and H Huang. All bioinformatics data were accessed and verified by Y Wei and X Liu. All authors can access all relevant data and accept responsibility for the submission of the study for publication. Y Cheng, G Tan, Q Zhu and C Wang contributed equally to this work.