1. Sichuan Provincial Center for Disease Control and Prevention
2. Zigong Center for Disease Control and Prevention
3. School of Public Health, Chengdu Medical College
4. Chengdu Center for Disease Control and Prevention
5. Guangyuan Center for Disease Control and Prevention
6. Panzhi hua Center for Disease Control and Prevention
7. Mianyang Center for Disease Control and Prevention
8. Yaan Center for Disease Control and Prevention
9. Fucheng Center for Disease Control and Prevention