Author contributions
necrotic
NECROTIC
Concept and design: Y Tang, S Li, and H Liu. Acquisition, analysis, or interpretation of data: W Wei, Y Tang, Z Peng, S Wang, S Zhao, L Wang, Y Ma, D Zeng, and S Li. Drafting of the manuscript: W Wei, Y Tang, S Li, and H Liu. Critical revision of the manuscript for important intellectual content: all the authors. Statistical analysis: W Wei, Y Tang, and S Li. Obtained funding: H Liu. Administrative, technical, or material support: Y Tang, J Xie, Z Deng, T Yuan, C Tang, R Pi, C Li, Y Wang, P Zhang, Z Wu, Y Wan, W Tang, X-C Liang, K Liu, W Wang, X–Y Liang, S Li, and H Liu. Supervision: S Li and H Liu. Other—performance of the VARTD procedures (main surgeons): Y Tang and H Liu. Other—radiological evaluation (measurement of parameters of necrotic collection on CT images): S Wang, S Zhao, and L Wang. All the authors read and approved the final manuscript.