1. College of Public Health, Xinjiang Medical University, Urumqi 830011, China
2. Department of Information Engineering, Xinjiang Institute of Engineering, Urumqi, 830000, China
3. College of Medical Engineering and Technology, Xinjiang Medical University, Urumqi 830011, China
4. Department of Medical Engineering, The Affiliated Tumor Hospital, Xinjiang Medical University, Urumqi 830011, China
5. Department of AIDS/STD Control and Prevention, Urumqi Center for Disease Control and Prevention, Urumqi, Xinjiang 830026, China