1. College of Bioinformatics Science and Technology, Harbin Medical University, Harbin 150081, China
2. Center for Bioinformatics, School of Life Science and Technology, Harbin Institute of Technology, Harbin 150001, China
3. Department of Radiology, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
4. Department of Radiology, The Second Affiliated Hospital of Harbin Medical University, Harbin 150086, China