1. Department of Nuclear Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, Zhejiang, China
2. Medical PET Center, Zhejiang University, Hangzhou 310009, China
3. Institute of Nuclear Medicine and Molecular Imaging, Zhejiang University, Hangzhou 310009, China
4. Key Laboratory of Medical Molecular Imaging of Zhejiang Province, Hangzhou 310009, China