1. Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei, China
2. Department of Nursing & Department of Gastroenterology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
3. Hefei Center for Disease Control and Prevention, Hefei, Anhui, China
4. Department of Epidemiology and Health Statistics, School of Public Health, Anhui Medical University, Hefei, China
5. School of Public Health, Anhui Medical University, Hefei, China
6. Department of Anhui, No.2 Provincial People’ Hospital, Hefei, China