1. Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Sciences and Chemical Engineering, Harbin Engineering University, Harbin 150001, P. R. China
2. Department of PET/CT Center, Harbin Medical University Cancer Hospital, Harbin 150081, China
3. Department of Radiology, Second Affiliated Hospital of Harbin Medical University, Harbin 150086, China
4. Department of Breast Surgery, Second Affiliated Hospital of Harbin Medical University, Harbin 150086, PR China