About the Authors

Yu Ma

Affiliation Department of Epidemiology and Biostatistics, School of Public Health, Key Laboratory of Tropical Diseases Control Research, Ministry of Education, Sun Yat-sen University, Guangzhou, Guangdong Province, PR China

Xiaozhong Wen

Affiliation Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, Massachusetts, United States of America

Jing Peng

Affiliation Department of Epidemiology and Biostatistics, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong Province, PR China

Yi Lu

Affiliation School of Public Health and Tropical Medicine, Southern Medical University, Guangzhou, Guangdong Province, PR China

Zhongmin Guo

jiahailu@yahoo.com.cn (JHL); zhongminguo@yahoo.com.cn (ZMG)

Affiliation Laboratory Animal Center, Sun Yat-Sen University, Guangzhou, Guangdong Province, PR China

Jiahai Lu

jiahailu@yahoo.com.cn (JHL); zhongminguo@yahoo.com.cn (ZMG)

Affiliation Department of Epidemiology and Biostatistics, School of Public Health, Key Laboratory of Tropical Diseases Control Research, Ministry of Education, Sun Yat-sen University, Guangzhou, Guangdong Province, PR China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YM XZW JHL JP ZMG. Performed the experiments: YM JP YL ZMG. Analyzed the data: YM XZW ZMG JHL. Contributed reagents/materials/analysis tools: YM JP YL. Wrote the paper: YM.