About the Authors

Jia-Xiang Yin, Xing-Qi Dong, Chun-Hong Du, You-Hong Zhong
Yunnan Institute of Endemic Disease Control and Prevention, Dali City, Yunnan Province, People's Republic of China

Alan Geater, Virasakdi Chongsuvivatwong
Epidemiology Unit, Faculty of Medicine, Prince of Songkla University, Hat Yai, Thailand

Corresponding Author


Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: J-XY AG VC X-QD. Performed the experiments: J-XY X-QD C-HD Y-HZ. Analyzed the data: J-XY AG X-QD C-HD Y-HZ. Contributed reagents/materials/analysis tools: J-XY AG VC. Wrote the paper: J-XY AG VC.