1. Laboratory of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, Jiangsu Province, P.R.China
2. Department of Natural Medicinal Chemistry & State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, Jiangsu Province, P.R.China
3. Department of Nuclear Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, Jiangsu Province, P.R.China
4. Radiation Medical Institute, Shandong Academy of Medical Sciences, Jinan 250062, Shandong Province, P.R.China
5. Department of Radiology, Faculty of Medicine, K.U. Leuven, BE 3000, Leuven, Belgium