1. Division of Occupational and Environmental Health, School of Public Health, Xinjiang Medical University, Urumqi, Xinjiang Uygur Autonomous Region, China
2. Georgia Prevention Institute, Medical College of Georgia, Augusta, Georgia
3. Department of Hypertension, First Affiliate Hospital of Xinjiang Medical University, Urumqi, Xinjiang Uygur Autonomous Region, China
4. Cele County Hospital, Hetian, Xinjiang Uygur Autonomous Region, China
5. Kazak Hospital, Aletai, Xinjiang Uygur Autonomous Region, China