1. Department of Minimally Invasive Surgical and Medical Oncology; Fukushima Medical University; Fukushima Japan
2. Department of Health Promotion and Human Behavior; Kyoto University Graduate School of Medicine / School of Public Health; Kyoto Japan
3. Department of Emergency and Intensive Care Medicine; Fukushima Medical University; Fukushima Japan
4. Department of Radiology; Teikyo University School of Medicine; Tokyo Japan