1. Dept. of Orthopedics; the Third Hospital of Hebei Medical Univ.; No. 139 Ziqiang Road Shijiazhuang 050051 Hebei Province China
2. Dept. of Nutrition and Diet; the Third Hospital of Hebei Medical Univ.; No. 139 Ziqiang Road Shijiazhuang 050051 Hebei Province China
3. Dept. of Nutrition; Bethune Int. Heping Hospital; No. 398, Zhong Shan West Road Shijiazhuang 050082 Hebei Province China
4. Dept. of Emergency Medicine; the Third Hospital of Hebei Medical Univ.; No. 139 Ziqiang Road Shijiazhuang 050051 Hebei Province China
5. Dept. of Oral and Maxillofacial Surgery; the Third Hospital of Hebei Medical Univ.; No. 139 Ziqiang Road Shijiazhuang 050051 Hebei Province China