1. Department of Neurology Chang Gung Memorial Hospital Keelung Taiwan
2. Institute of Neuroscience National Yang Ming University Taipei Taiwan
3. Community Medicine Research Center Chang Gung Memorial Hospital Keelung Taiwan
4. Collage of Medicine Chang Gung University Taoyuan Taiwan
5. Nuclear Medicine and Molecular Imaging Center Chang Gung Memorial Hospital Linkou Taiwan
6. Department of Medical Imaging and Radiological Sciences College of Medicine Chang Gung University Taoyuan Taiwan
7. Department of Hematology and Oncology Chang Gung Memorial Hospital Keelung Taiwan