1. Department of Information Engineering, College of Information Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
2. Center for MRI Research, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
3. Beijing City Key Laboratory for Medical Physics and Engineering, Institute of Heavy Ion Physics, School of Physics, Peking University, Beijing 100871, China
4. McGovern Institute for Brain Research, Peking University, Beijing 100871, China