1. National Key Discipline Laboratory, Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, PR China
2. Department of Nutrition and Food Hygiene, School of Public Health and Management, Chongqing Medical University, Chongqing 400016, PR China
3. Department of Epidemiology and Biostatistics, School of Public Health, Harbin Medical University, Harbin, PR China