About the Authors

Ping Hua

Affiliation Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China

Xiao-ping Pan

Affiliation Department of Neurology, Guangzhou First People's Hospital, Guangzhou Medical College, Guangzhou, China

Rong Hu

Affiliation Department of Neurology, Guangzhou First People's Hospital, Guangzhou Medical College, Guangzhou, China

Xiao-en Mo

Affiliation Department of Neurology, Guangzhou First People's Hospital, Guangzhou Medical College, Guangzhou, China

Xin-yuan Shang

Affiliation Department of Neurology, Guangzhou First People's Hospital, Guangzhou Medical College, Guangzhou, China

Song-ran Yang

yangsrdr@163.com

Affiliation Department of Neurology, Guangzhou First People's Hospital, Guangzhou Medical College, Guangzhou, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: PH XP RH XM XS. Wrote the paper: PH SY. Designed research: PH SY. Performed research: PH SY XP RH XM XS.