1 Department of Diagnostic Radiology, Chang Gung Memorial Hospital, Keelung, Taiwan.
2 Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital, Chang Gung University, Linkou, Number 5, Fusing Street, Gueishan Township, Taoyuan 333, Taiwan.
3 Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital, Chang Gung University, Linkou, Number 5, Fusing Street, Gueishan Township, Taoyuan 333, Taiwan. Electronic address: [email protected].