1. Department of Pediatrics; Graduate School of Medical Sciences; Kyushu University; Fukuoka Japan
2. Emergency and Critical Care Center; Kyushu University Hospital; Fukuoka Japan
3. Department of Orthopedics; Graduate School of Medical Sciences; Kyushu University; Fukuoka Japan
4. Department of Surgery and Science; Graduate School of Medical Sciences; Kyushu University; Fukuoka Japan