LAUSR

Department of HBP SURGERY II, Guangzhou First People’s Hospital, School of Medicine, South China University of Technology, Guangzhou, China; Department of General Surgery, Guangzhou First People’s Hospital, Guangzhou Medical University, Guangzhou, China; Department of Hepatic Surgery, Department of Obstetrics, the First People’s Hospital of Foshan, Affiliated Foshan Hospital of Sun Yat-sen University, Foshan, China Contributions: (I) Conception and design: M Lu; (II) Administrative support: None; (III) Provision of study materials or patients: None; (IV) Collection and assembly of data: N Li, S Jiang, J Shi; (V) Data analysis and interpretation: N Li, S Jiang, J Shi; (VI) Manuscript writing: All authors; (VII) Final approval of manuscript: All authors. These authors contributed equally to this work. Correspondence to: Minqiang Lu. Department of HBP SURGERY II, Guangzhou First People’s Hospital, School of Medicine, South China University of Technology, Guangzhou 510180, China. Email: [email protected].