Zhidong Gao MD; Chao Wang MD; Jian Li MD; Peng Zhang MD; Xin Wu MD; Yi Wang MD; Liming Zhang MD; Tao Chen MD; Bo Zhang MD; Ming Wang MD; Haoran Qian MD; Ye Zhou MD; Shijie Li MD; Yan Sun MD; Han Liang MD; Yulong He MD; Yong Li MD; Hui Cao MD; Shukui Qin MD; Lin Shen MD; Yingjiang Ye MD, PhD; Chinese Society of Clinical Oncology (CSCO) Expert Committee on Gastrointestinal Stromal Tumor