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. 2022 May 9;9:851590. doi: 10.3389/fnut.2022.851590

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Copyright © 2022 Ji, Zhang, Han, Peng, Shen, Liu, Shi, Chen, Chen, Li and Ma.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Diagram for time schedule of enrolment, allocation, and assessment. MNA-SF, Mini Nutritional Assessment Short Form; GLIM, the Global Leadership Initiative on Malnutrition; MMSE, Mini-Mental State Examination; ADL, Activities of Daily Living scale; FIST, functional impairment screening tool; GDS-15, the 15-item geriatric depression scale; SF-12, the 12-item short form health survey; IC, intrinsic capacity; SPPB, short physical performance battery.