1. Department of Genetics, Hebei Medical University, Hebei Key Lab of Laboratory Animal, Shijiazhuang, Hebei Province, China
2. Department of Ultrasound, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
3. Hubei Province Key Laboratory of Molecular Imaging, Wuhan, Hubei Province, China
4. Department of Neurology, the Second Hospital of Hebei Medical University, City Shijiazhuang, P.R. China