Affiliation: | 1. Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, Chang-Jung Christian University, Taiwan;2. Department of Radiology, Changhua Christian Hospital, Er-Lin Branch, Chang-Jung Christian University, Taiwan;3. Department of Radiology, Taipei City Hospital Renai Branch, Chang-Jung Christian University, Taiwan;4. Department of Respiratory Care, Chang-Jung Christian University, Taiwan |