1. National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen, China
2. College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, China
3. College of Management, Shenzhen University, Shenzhen, China
4. Institute of Information Science, Beijing Jiaotong University, Beijing, China