Southwest University of Science and Technology, Southwest University of Science and Technology, Tsinghua University, affiliation not provided to SSRN, Southwest University of Science and Technology, Southwest University of Science and Technology, Southwest University of Science and Technology, Southwest University of Science and Technology, Southwest University of Science and Technology, Southwest University of Science and Technology, University of Electronic Science and Technology of China (UESTC) - Mianyang Central Hospital and University of Electronic Science and Technology of China (UESTC) - Mianyang Central Hospital