1. Department of Gastroenterology and Hepatology, Nagasaki University Graduate School of Biomedical Science, Nagasaki 852‑8501, Japan
2. Department of Dermatology, Nagasaki University Graduate School of Biomedical Science, Nagasaki 852‑8501, Japan
3. Department of Dermatology, Japan Community Healthcare Organization, Isahaya General Hospital, Isahaya, Nagasaki 854‑8501, Japan
4. Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Science, Nagasaki 852‑8501, Japan
5. Division of Scientific Data Registry, Atomic Bomb Disease and Hibakusya Medicine Unit, Atomic Bomb Disease Institute, Nagasaki University, Nagasaki 852‑8523, Japan