1. Department of Surgery; Shiga University of Medical Science; Shiga Japan
2. Department of Emergency and Critical Care Medicine; Akita University School of Medicine; Akita Japan
3. Department of Gastroenterological Surgery; Shinkoga Hospital; Fukuoka Japan
4. Department of Metabolic Medicine; Graduate School of Medicine; Osaka University; Osaka Japan
5. Department of Critical and Intensive Care Medicine; Shiga University of Medical Science; Shiga Japan