1 Department of Radiology, Taoyuan General Hospital, Ministry of Health and Welfare, Taoyuan, Taiwan.
2 Department of Radiology, Taoyuan General Hospital, Ministry of Health and Welfare, Taoyuan, Taiwan; Department of Medical Imaging, National Taiwan University Hospital, Taipei, Taiwan; Department of Biomedical Engineering and Environmental Science, National Tsing Hua University, Hsinchu, Taiwan.
3 Department of Family Medicine, Taoyuan General Hospital, Ministry of Health and Welfare, Taoyuan, Taiwan. Electronic address: [email protected].