LAUSR

Department of Oncology, Clinical Medicine Research Institution, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China Contributions: (I) Conception and design: Z Yu; (II) Administrative support: Y Gu, X Chen; (III) Provision of study materials or patients: Z Yu; (IV) Collection and assembly of data: Z Yu, J Wang, L Xu; (V) Data analysis and interpretation: Z Yu, J Liu; (VI) Manuscript writing: All authors; (VII) Final approval of manuscript: All authors. These authors contributed equally to this work. Correspondence to: Yanhong Gu, MD, PhD. Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Rd, Nanjing 210029, China. Email: [email protected]; Xiaofeng Chen, MD. Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Rd, Nanjing 210029, China. Email: [email protected].