1. Department of Gastroenterology, The First Affiliated Hospital of Dalian Medical University, Dalian, China
2. Department of Digestive Endoscopy, Dalian Municipal Central Hospital, Dalian, China
3. Science and Technology, Graduate School of Information, Osaka University, Yamadaoka, Osaka, Japan
4. Department of Cardiology, The First Affiliated Hospital of Dalian Medical University, Dalian, China
5. Department of Cardiovascular Medicine, Graduate School of Medicine, Osaka University, Yamadaoka, Osaka, Japan
6. Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Dalian Medical University, Dalian, China
7. Information Management Department, Dalian Municipal Central Hospital, Dalian, China