Causal effects of gut microbiota on renal tumor: a mendelian randomization study

aDepartment of Urology, Tangdu Hospital, Air Force Medical University, Xi’an, Shaanxi, China bDepartment of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, Sichuan, China Fuxun Zhang and Yang Xiong contributed equally to this work. Sponsorships or competing interests that may be relevant to content are disclosed at the end of this article. *Corresponding author. Address: Department of Urology, Tangdu Hospital, Air Force Medical University, Xi’an, Shaanxi, China. E-mail address: [email protected] (B. Zhang). Supplemental Digital Content is available for this article. Direct URL citations are provided in the HTML and PDF versions of this article on the journal's website, www.lww.com/international-journal-of-surgery. Published online ■ ■ This is an open access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal. http://creativecommons.org/licenses/by-nc-nd/4.0/