About the Authors

Ming Wang

Contributed equally to this work with: Ming Wang, Jun Yuan, Tiegang Li

wangming@gzcdc.org.cn

Affiliation Guangzhou Center for Disease Control and Prevention, Guangzhou, People's Republic of China

Jun Yuan

Contributed equally to this work with: Ming Wang, Jun Yuan, Tiegang Li

Affiliation Guangzhou Center for Disease Control and Prevention, Guangzhou, People's Republic of China

Tiegang Li

Contributed equally to this work with: Ming Wang, Jun Yuan, Tiegang Li

Affiliation Guangzhou Center for Disease Control and Prevention, Guangzhou, People's Republic of China

Yang Liu

Affiliation Guangzhou Center for Disease Control and Prevention, Guangzhou, People's Republic of China

Jibin Wu

Affiliation Guangzhou Center for Disease Control and Prevention, Guangzhou, People's Republic of China

Biao Di

Affiliation Guangzhou Center for Disease Control and Prevention, Guangzhou, People's Republic of China

Xi Chen

Affiliation Guangzhou Center for Disease Control and Prevention, Guangzhou, People's Republic of China

Xinhong Xu

Affiliation Guangzhou Center for Disease Control and Prevention, Guangzhou, People's Republic of China

Enjie Lu

Affiliation Guangzhou Center for Disease Control and Prevention, Guangzhou, People's Republic of China

Kuibiao Li

Affiliation Guangzhou Center for Disease Control and Prevention, Guangzhou, People's Republic of China

Yanhui Liu

Affiliation Guangzhou Center for Disease Control and Prevention, Guangzhou, People's Republic of China

Yejian Wu

Affiliation Guangzhou Center for Disease Control and Prevention, Guangzhou, People's Republic of China

Xiongfei Chen

Affiliation Guangzhou Center for Disease Control and Prevention, Guangzhou, People's Republic of China

Peng He

Affiliation Guangzhou Center for Disease Control and Prevention, Guangzhou, People's Republic of China

Yulin Wang

Affiliation Guangzhou Center for Disease Control and Prevention, Guangzhou, People's Republic of China

Jianhua Liu

Affiliation Guangzhou Center for Disease Control and Prevention, Guangzhou, People's Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MW JY TL. Performed the experiments: MW JY TL Yang Liu Xi Chen XX Yanhui Liu Y. Wang JW BD EL KL Y. Wu PH. Analyzed the data: MW JY TL Xiongfei Chen JL. Contributed reagents/materials/analysis tools: JW BD EL KL Y. Wu PH. Wrote the paper: MW JY TL.