Comment on“Prognostic significance of circulating tumor DNA in urothelial carcinoma: A systematic review and meta-analysis”

aTianjin University of Traditional Chinese Medicine bSecond Affiliated Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China cInstitute of Surgery of Traditional Chinese Medicine, Tianjin, China dInstitute of Sores and Ulcers, Tianjin University of Traditional Chinese Medicine, China Sponsorships or competing interests that may be relevant to content are disclosed at the end of this article. Published online ■ ■ *Corresponding author. Address: Second Affiliated Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin 300250, China. Tel: (+86)-022-60637062. E-mail address: [email protected] (Q. Xu). 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/