Department of Clinical Nutrition, West China Hospital, Sichuan University, Sichuan Province, Chengdu, China. National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China. School of Public Health, Chengdu Medical College, Sichuan Province, Chengdu, China. Zhengxing Community Health Service Center of Tianfu New District, Sichuan Province, Chengdu, China. Shibantan Community Health Service Center of Xindu District, Sichuan Province, Chengdu, China. Department of Clinical Nutrition, West China Hospital, Sichuan University, Sichuan Province, Chengdu, China. stephy1024@163.com. Department of Clinical Nutrition, West China Hospital, Sichuan University, Sichuan Province, Chengdu, China. 271927115@qq.com.