About the Authors

Wei Chen

Affiliation Department of Geriatrics, Hushan Hospital, Fudan University School of Medicine, Shanghai, China

Yanping Xia

Affiliation Department of Geriatrics, Hushan Hospital, Fudan University School of Medicine, Shanghai, China

Xuelan Zhao

Affiliation Department of Geriatrics, Hushan Hospital, Fudan University School of Medicine, Shanghai, China

Hao Wang

Affiliation Core Center of Animal Facility, Fudan University School of Medicine, Shanghai, China

Wenjie Chen

Affiliation Department of Geriatrics, Hushan Hospital, Fudan University School of Medicine, Shanghai, China

Maohua Yu

Affiliation Department of Geriatrics, Hushan Hospital, Fudan University School of Medicine, Shanghai, China

Yiming Li

Affiliation Department of Endocrinology, Huashan Hospital, Fudan University School of Medicine, Shanghai, China

Hongying Ye

billycai56@yahoo.com.cn (YZ); dryehongying@hotmail.com (HY)

Affiliation Department of Endocrinology, Huashan Hospital, Fudan University School of Medicine, Shanghai, China

Yu Zhang

billycai56@yahoo.com.cn (YZ); dryehongying@hotmail.com (HY)

Affiliation Department of Geriatrics, Hushan Hospital, Fudan University School of Medicine, Shanghai, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: Wei Chen YZ HY YL. Performed the experiments: Wenjie Chen XZ HW. Analyzed the data: Wei Chen MY. Contributed reagents/materials/analysis tools: XZ YX HW Wenjie Chen. Wrote the paper: Wei Chen.