1. Department of Nutrition and Food Hygiene, MOE Key Laboratory of Geriatric Diseases and Immunology, School of Public Health, Suzhou Medical College of Soochow University, 199 Ren'ai Road, Suzhou 215123, China
2. Department of Nutrition, The First Hospital of Hebei Medical University, Shijiazhuang, China
3. Hebei Key Laboratory of Nutrition and Health, Shijiazhuang, China
4. Hospital of Stomatology of Hebei Medical University Shijiazhuang, China