1. Center for Molecular
Imaging and Translational Medicine, State Key Laboratory of Molecular
Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University, Xiang’an South Road, Xiamen 361102, China
2. Laboratory of Molecular
Imaging and Nanomedicine, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, Maryland 20892, United States
3. Departments of Radiology and Medical Physics, University of Wisconsin—Madison, Madison, Wisconsin 53706, United States