1 The Key Laboratory of Biomedical Information Engineering, Ministry of Education, Department of Biomedical Engineering, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China.
2 Department of Nuclear Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing 100050, China.
3 J.Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL 32610, USA.
4 State Key Laboratory of Cognitive Neuroscience and Learning and IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing 100875, China.
5 School of Chinese Medicine, University of Hong Kong, 10 Sassoon Road, Pokfulam, Hong Kong ; Center for Integrative Medicine, School of Medicine, University of Maryland, Baltimore, Baltimore, MD 21201, USA.
6 Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China.