1. Department of Nuclear Medicine, Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, The Affiliated Hospital of Southwest Medical University, No. 25 Taiping St, Jiangyang District, Luzhou, Sichuan 646000, China
2. Department of Neurology Medicine, Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, The Affiliated Hospital of Southwest Medical University, No. 25 Taiping St, Jiangyang District, Luzhou, Sichuan 646000, China
3. LED Radiofluidics Corp., 250 Bell Tower Drive, Genome Science Building, Chapel Hill, North Carolina 27599, United States
4. Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
5. Department of Radiology, Lineberger Comprehensive Cancer Center, and Biomedical Research Imaging Center, University of North Carolina, Chapel Hill, North Carolina 27599, United States