1. Center for MRI Research, Academy for Advanced Interdisciplinary Studies, Peking University; Beijing People's Republic of China
2. Beijing City Key Lab for Medical Physics and Engineering, Institute of Heavy Ion Physics, School of Physics, Peking University; Beijing People's Republic of China
3. McGovern Institute for Brain Research, Peking University; Beijing People's Republic of China
4. Institute of Quantum Electronics, School of Electronic Engineering and Computer Science, Peking University; Beijing People's Republic of China
5. Department of Information Engineering; College of Information Science and Technology, Beijing University of Chemical Technology; Beijing People's Republic of China