LAUSR

Department of Thoracic Surgery, West China Hospital of Sichuan University, Chengdu, China; Central Laboratory, Heping Hospital Affiliated to Changzhi Medical University, Changzhi City, China Contributions: (I) Conception and design: LQ Chen, QX Shang, YS Yang; (II) Administrative support: WP Hu, Y He; (III) Provision of study materials or patients: Y Yuan, QX Shang; (IV) Collection and assembly of data: YS Yang, JY Zhao; (V) Data analysis and interpretation: QX Shang, LQ Chen; (VI) Manuscript writing: All authors; (VII) Final approval of manuscript: All authors. These authors contributed equally to this work. Correspondence to: Prof. Long-Qi Chen, MD, PhD. Department of Thoracic Surgery, West China Hospital of Sichuan University, No. 37, Guoxue Alley, Chengdu, China. Email: [email protected]; Prof. Ai-Fang Ji, MD, PhD. Central Laboratory, Heping Hospital Affiliated to Changzhi Medical University, No. 161 Jiefang East Street, Changzhi City, China. Email: [email protected].