1. Division of Gastroenterology and Hepatology, Department of Internal Medicine, Hyogo College of Medicine
2. Department of Internal Medicine, Himeji Red Cross Hospital
3. Department of Systems and Control Engineering, Tokyo Institute of Technology
4. Ultrasound Imaging Center, Hyogo College of Medicine
5. Center for Frontier Medical Engineering, Chiba University
6. Faculty of Nursing, Gifu Kyoritsu University