1. Medical Imaging Key Laboratory of Sichuan Province & Department of Chemistry, School of Preclinical Medicine, North Sichuan Medical College, Nanchong 637000, P. R. China
2. Otorhinolaryngology, Department of Clinical Medicine, North Sichuan Medical College, Nanchong 637000, P. R. China
3. Gynecology and Obstetrics, Department of Clinical Medicine, North Sichuan Medical College, Nanchong 637000, P. R. China
4. School of Pharmacy, North Sichuan Medical College, 637000 Nanchong, P. R. China
5. Department of Clinical Medicine, North Sichuan Medical College, Nanchong, P. R. China
6. Medical Imaging Key Laboratory of Sichuan Province & Institute of Morphological Research, North Sichuan Medical College, Nanchong, P. R. China
7. Department of Gynecology and Obstetrics, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, P. R. China
8. Department of Chemistry, School of Preclinical Medicine, North Sichuan Medical College, Nanchong 637000, P. R. China
9. Medical Imaging Key Laboratory of Sichuan Province & Department of Radiology, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, P. R. China