1. The Second Department of Internal Medicine, Nagasaki University School of Medicine, Japan
2. Division of Blood Purification, Nagasaki University Hospital, Japan
3. Medical Education Development Center, Nagasaki University Hospital, Japan
4. Department of Radiology and Radiation Biology, Nagasaki University Graduate School of Biomedical Sciences, Japan
5. Tanaka Clinic, Japan
6. Isahaya Health Insurance General Hospital, Japan