1 School of Life Science and Technology, Xidian University, Xi'an 710126, China.
2 School of Biomedical Engineering, Medical School, Shenzhen University, Shenzhen 518060, China.
3 Guangdong Provincial Key Laboratory of Biomedical Measurements and Ultrasound Imaging, Shenzhen University, Shenzhen 518060, China.
4 Department of Radiology, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China.
5 Inner Mongolia Key Laboratory of Pattern Recognition and Intelligent Image Processing, School of Information Engineering, Inner Mongolia University of Science and Technology, Baotou 014010, China.
6 Engineering Research Center of Molecular and Neuro Imaging Ministry of Education, Xidian University, Xi'an 710126, China.
7 Xi'an Key Laboratory of Intelligent Sensing and Regulation of trans-Scale Life Information, School of Life Science and Technology, Xidian University, Xi'an 710126, China.