About the Authors

Rui-Xing Yin

Contributed equally to this work with: Rui-Xing Yin, Yi-Yang Li

yinruixing@yahoo.com.cn

Affiliation Department of Cardiology, Institute of Cardiovascular Diseases, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi, People's Republic of China

Yi-Yang Li

Contributed equally to this work with: Rui-Xing Yin, Yi-Yang Li

Affiliations Department of Cardiology, Institute of Cardiovascular Diseases, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi, People's Republic of China, Department of Cardiology, Guangxi National Hospital, Nanning, Guangxi, People's Republic of China

Wan-Ying Liu

Affiliation Department of Cardiology, Institute of Cardiovascular Diseases, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi, People's Republic of China

Lin Zhang

Affiliation Department of Cardiology, Institute of Cardiovascular Diseases, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi, People's Republic of China

Jin-Zhen Wu

Affiliation Department of Cardiology, Institute of Cardiovascular Diseases, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi, People's Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: R-XY Y-YL. Performed the experiments: Y-YL W-YL LZ J-ZW. Analyzed the data: R-XY W-YL. Contributed reagents/materials/analysis tools: R-XY W-YL. Wrote the paper: R-XY. Epidemiological survey: R-XY J-ZW.