1. Division of Nuclear Medicine and Molecular Imaging, Massachusetts General Hospital & Department of Radiology, Harvard Medical School, Boston, Massachusetts 02114, United States
2. Department of Chemistry, School of Science, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, China
3. Department of Radiopharmaceuticals Development, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, Chiba 263-8555, Japan
4. The Skaggs Institute for Chemical Biology and Department of Chemical Physiology, The Scripps Research Institute, SR107 10550 North Torrey Pines Road, La Jolla, California 92037, United States
5. Department of Chemistry and Biochemistry, University of Oklahoma, Norman, Oklahoma 73019, United States
6. ChemShuttle, Inc., 1699 Huishan Blvd., Wuxi, Jiangsu 214174, China
7. Department of Pharmacology and Clinical Neuroscience, Umeå University, SE-901 87 Umeå, Sweden