1. Institute of Medical
Engineering, School of Basic Medical Sciences, Xi’an Jiaotong University Health Science Center, Xi’an, Shaanxi 710061, China
2. State Key
Laboratory of Molecular Vaccinology and Molecular Diagnostics Center
for Molecular Imaging and Translational Medicine, School of Public
Health, Xiamen University, Xiamen, Fujian 361102, China
3. Laboratory of Molecular
Imaging and Nanomedicine (LOMIN), National Institute of Biomedical
Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH), Bethesda, Maryland 20892, United States