About the Authors

Chao Zhuo

chao_sheep@263.net

Affiliation State Key Laboratory of Respiratory Diseases, the first affiliated hospital of Guangzhou Medical College, Guangzhou, China

Qian-yu Zhao

Affiliation State Key Laboratory of Respiratory Diseases, the first affiliated hospital of Guangzhou Medical College, Guangzhou, China

Shu-nian Xiao

Affiliation State Key Laboratory of Respiratory Diseases, the first affiliated hospital of Guangzhou Medical College, Guangzhou, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CZ. Performed the experiments: QZ. Analyzed the data: QZ. Contributed reagents/materials/analysis tools: SX QZ. Wrote the paper: CZ.