1. Department of Radiology Mackay Memorial Hospital Taipei Taiwan
2. Department of Biomedical Imaging and Radiological Sciences National Yang‐Ming University Taipei Taiwan
3. Department of Nuclear Medicine National Taiwan University Cancer Center Taipei Taiwan
4. Department of Medical Imaging and Radiological Sciences Kaohsiung Medical University Kaohsiung Taiwan
5. Department of Medical Research Kaohsiung Medical University Chung‐Ho Memorial Hospital Kaohsiung Taiwan