About the Authors

Miao Hu

hongmo123@126.com

Affiliation Department of Geriatrics, Changzhou NO 2 People's Hospital, Affiliated Hospital of Nanjing Medical University, Changzhou, China

Lianying Zhao

Affiliation Kunshan Agency for Public Health Inspection, Soochow, China

Surong Hu

Affiliation Department of Geriatrics, Changzhou NO 2 People's Hospital, Affiliated Hospital of Nanjing Medical University, Changzhou, China

Jingting Yang

Affiliation Department of Geriatrics, Changzhou NO 2 People's Hospital, Affiliated Hospital of Nanjing Medical University, Changzhou, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MH SH. Performed the experiments: MH LZ JY. Analyzed the data: MH. Contributed reagents/materials/analysis tools: MH LZ. Wrote the paper: MH.