1. Department of Gastroenterology, Kobe Asahi Hospital
2. Department of Radiology, Osaka City University Medical School
3. Department of Gastroenterology, Kinki University School of Medicine
4. Department of Hepatology, Osaka City University Medical School
5. Division of Molecular Medicine & Medical Genetics, International Center for Medical Research and Treatment (ICMRT), Kobe University Graduate School of Medicine