About the Authors

Li-Juan Liu

Contributed equally to this work with: Li-Juan Liu, Feng-Juan Yao

Affiliation Department of Cardiology and Department of Ultrasonography (Feng-Juan Yao), the First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China

Feng-Juan Yao

Contributed equally to this work with: Li-Juan Liu, Feng-Juan Yao

Affiliation Department of Cardiology and Department of Ultrasonography (Feng-Juan Yao), the First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China

Gui-Hua Lu

Affiliation Department of Cardiology and Department of Ultrasonography (Feng-Juan Yao), the First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China

Cheng-Gui Xu

Affiliation Department of Cardiology and Department of Ultrasonography (Feng-Juan Yao), the First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China

Zhe Xu

Affiliation Department of Cardiology and Department of Ultrasonography (Feng-Juan Yao), the First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China

Kai Tang

Affiliation Department of Cardiology and Department of Ultrasonography (Feng-Juan Yao), the First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China

Yun-Jiu Cheng

Affiliation Department of Cardiology and Department of Ultrasonography (Feng-Juan Yao), the First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China

Xiu-Ren Gao

wusuhua@hotmail.com (SW); xiurengao@163.com (XG)

Affiliation Department of Cardiology and Department of Ultrasonography (Feng-Juan Yao), the First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China

Su-Hua Wu

wusuhua@hotmail.com (SW); xiurengao@163.com (XG)

Affiliation Department of Cardiology and Department of Ultrasonography (Feng-Juan Yao), the First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LL XG SW. Performed the experiments: LL FY GL CX ZX KT YC. Analyzed the data: LL FY GL CX ZX KT YC XG SW. Contributed reagents/materials/analysis tools: LL FY GL CX ZX KT YC. Wrote the paper: LL FY GL CX ZX KT YC XG SW.