The Public Health of Collage, Xinjiang Medical University , Urumqi 830018, China;
Urumqi Center for Disease Control and Prevention ,Urumqi 830026 ,China;
Urumqi Center for Disease Control and Prevention ,Urumqi 830026 ,China;
Urumqi Center for Disease Control and Prevention ,Urumqi 830026 ,China;
The Public Health of Collage, Xinjiang Medical University , Urumqi 830018, China;
Urumqi Center for Disease Control and Prevention ,Urumqi 830026 ,China;