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History
- Accepted April 21, 2022
- Published online June 20, 2022.
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© American Federation for Medical Research 2022. No commercial re-use. See rights and permissions. Published by BMJ.
Author Information
- Jie Zhang1,
- Tong-Zhang Xian1,
- Ming-Xiao Wu2,
- Chen Li2,
- Weihao Wang1,
- Fuli Man1,
- Xianbo Zhang1,
- Xiaoxia Wang1,
- Qi Pan1,
- Lixin Guo1
- 1Department of Endocrinology, Beijing Hospital, National Center of Gerontology; Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, Beijing, China
- 2Department of Ultrasound, Beijing Hospital, National Center of Gerontology; Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, Beijing, China
- Correspondence to Professor Lixin Guo, Beijing Hospital, Beijing, China; glx1218{at}163.com; Professor Qi Pan, Beijing Hospital, Beijing, China; panqi621{at}126.com