1. The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital, National Center of Gerontology of National Health Commission, Beijing, China
2. Peking University Fifth School of Clinical Medicine, Beijing, China
3. Laboratory of Clinical Pharmacy, The Sixth Affiliated Hospital of Wenzhou Medical University, The People’s Hospital of Lishui, Lishui, China
4. Department of Gastroenterology, Beijing Hospital, National Center of Gerontology, Beijing, China
5. Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China