About the Authors

Liang Sun

Affiliation Key Laboratory of Geriatrics, Beijing Hospital and Beijing Institute of Geriatrics, Ministry of Health, Beijing, China

Cai-you Hu

Affiliation Department of Neurology, JiangBin Hospital, Nanning, Guangxi, China

Xiao-hong Shi

Affiliation Key Laboratory of Geriatrics, Beijing Hospital and Beijing Institute of Geriatrics, Ministry of Health, Beijing, China

Chen-guang Zheng

Affiliation Department of Cardiothoracic Surgery, Guangxi Maternal and Child Health Hospital, Nanning, Guangxi, China

Ze-zhi Huang

Affiliation Yongfu Committee of the Chinese People’s Political Consultative Conference, Yongfu, Guangxi, China

Ze-ping Lv

Affiliation Department of Neurology, JiangBin Hospital, Nanning, Guangxi, China

Jin Huang

Affiliation Key Laboratory of Geriatrics, Beijing Hospital and Beijing Institute of Geriatrics, Ministry of Health, Beijing, China

Gang Wan

Affiliation Key Laboratory of Geriatrics, Beijing Hospital and Beijing Institute of Geriatrics, Ministry of Health, Beijing, China

Ke-yan Qi

Affiliation Key Laboratory of Geriatrics, Beijing Hospital and Beijing Institute of Geriatrics, Ministry of Health, Beijing, China

Si-ying Liang

Affiliation Key Laboratory of Geriatrics, Beijing Hospital and Beijing Institute of Geriatrics, Ministry of Health, Beijing, China

Lin Zhou

Affiliation Beijing Youth Science and Technology Club, Beijing, China

Ze Yang

yang_ze@sina.com

Affiliation Key Laboratory of Geriatrics, Beijing Hospital and Beijing Institute of Geriatrics, Ministry of Health, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ZY LZ. Performed the experiments: LS KYQ JH GW. Analyzed the data: LS XHS CYH. Contributed reagents/materials/analysis tools: CYH LS CGZ ZZH ZPL JH GW KYQ SYL. Wrote the manuscript: LS CYH ZY.