1. Department of Occupational and Environmental Health, College of Public Health, Xinjiang Medical University, Urumqi, Xinjiang, China (mainland)
2. Department of Science and Education, Wulumuqi Center for Disease Control and Prevention, Urumqi, Xinjiang, China (mainland)
3. Department of Equipment and Information Management, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China (mainland)