1. Yamanashi PET Imaging Clinic, Chuo 409-3821, Japan
2. Department of Radiology, University of Yamanashi, Chuo 409-3898, Japan
3. Division of Positron Emission Tomography, Institute of Advanced Clinical Medicine, Kindai University, Osakasayama 589-8511, Japan
4. Kofu Neurosurgical Hospital, Kofu 400-0805, Japan
5. Division of Breast and Endocrine Surgery, Department of Surgery, Kindai University Faculty of Medicine, Osakasayama 589-8511, Japan
6. Department of Radiology, Kindai University Faculty of Medicine, Osakasayama 577-8502, Japan