1. College of Basic Medicine, China Medical University, Shenyang, Liaoning 110000, P.R. China
2. Clinical Medical Research Center, Wuxi No. 2 People's Hospital, Jiangnan University Medical Center, Affiliated Wuxi Clinical College of Nantong University, Wuxi, Jiangsu 214002, P.R. China
3. Department of Ultrasound, Wuxi No. 2 People's Hospital, Jiangnan University Medical Center, Affiliated Wuxi Clinical College of Nantong University, Wuxi, Jiangsu 214002, P.R. China
4. Department of Pathology, Wuxi No. 2 People's Hospital, Jiangnan University Medical Center, Affiliated Wuxi Clinical College of Nantong University, Wuxi, Jiangsu 214002, P.R. China