Department of General Surgery, Xuanwu Hospital, Capital Medical University, Beijing, China Contributions: (I) Conception and design: J Wang, C Zhang; (II) Administrative support: T Luo, C Zhang; (III) Provision of… Click to show full abstract
Department of General Surgery, Xuanwu Hospital, Capital Medical University, Beijing, China Contributions: (I) Conception and design: J Wang, C Zhang; (II) Administrative support: T Luo, C Zhang; (III) Provision of study materials: J Wang; (IV) Collection and assembly of data: J Wang, X Chen, Y Li, W Cui; (V) Data analysis and interpretation: A Li, D Liu, F Li; (VI) Manuscript writing: All authors; (VII) Final approval of manuscript: All authors. These authors contributed equally to this work. Correspondence to: Tao Luo. General Surgery, Xuanwu Hospital, Capital Medical University, No. 45, Changchun Street, Xicheng District, Beijing, China. Email: [email protected].
               
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