1. Department of Hepatology, Graduate School of Medicine Osaka Metropolitan University Japan
2. Department of Anatomy and Regenerative Biology, Graduate School of Medicine Osaka Metropolitan University Japan
3. Department of Hepato‐Biliary‐Pancreatic Surgery, Graduate School of Medicine Osaka Metropolitan University Japan
4. Department of Medical Life Systems Doshisha University Graduate School of Life and Medical Sciences Kyoto Japan
5. Department of Physics Chuo University Tokyo Japan