1. Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Key Laboratory of Ultrasound Imaging and Therapy, CAS Key Laboratory of Health Informatics, Institute of Biomedical and Health Engineering, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, P. R. China
2. Faculty of Health Sciences, University of Macau, Macau SAR 999708, P. R. China