1. Department of Surgery; Tohoku University; Sendai Japan
2. Department of Biomedical Engineering; Graduate School of Biomedical Engineering; Tohoku University; Sendai Japan
3. Division of Integrated Surgery and Oncology; Tohoku University Graduate School of Medicine; Sendai Japan
4. Division of International Cooperation for Disaster Medicine; International Research Institute of Disaster Science; Tohoku University; Sendai Japan