1 Department of Radiology, Section of Thoracic and Circulation Imaging, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan.
2 Laboratory of Tissue-Engineering, Department of Medical Imaging and Radiological Technology, Central Taiwan University of Science and Technology, Taichung, Taiwan.
3 Department of Medical Imaging and Radiology, Shu-Zen Junior College of Medicine and Management, Kaohsiung, Taiwan.
4 Faculty of Medicine, School of Medicine, National Yang Ming University, Taipei, Taiwan.
5 Institute of Clinical Medicine, National Yang Ming University, Taipei, Taiwan.