1. Department of Hepatobiliary & Hydatid Disease, Digestive & Vascular Surgery Center, First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, 830054, China
2. School of Public Health, Xinjiang Medical University, Urumqi, Xinjiang 830011, China
3. Department of Stomatology, First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, 830011, China
4. School of Public Health, Xinjiang Medical University, No. 1, XinjiangChina