1 Department of Radiology, The Second Affiliated Hospital of Dalian Medical University, 467 Zhong Shan Road, Dalian, 116023, China.
2 Department of Radiology, The First Affiliated Hospital of Dalian Medical University, Dalian, 116011, China.
3 Department of Radiology, The Second Affiliated Hospital of Dalian Medical University, 467 Zhong Shan Road, Dalian, 116023, China. Electronic address: drhanyuxuan@163.com.
4 Department of Radiology, The First Affiliated Hospital of Dalian Medical University, Dalian, 116011, China. Electronic address: dryangchao@163.com.