Injury Prevention Research Center, Shantou University Medical College, Shantou, China. School of Public Health, Shantou University, Shantou, China. Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China. Department of Clinical Nutrition, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen, China. Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China. zzqaa501@smu.edu.cn. Injury Prevention Research Center, Shantou University Medical College, Shantou, China. lpli@stu.edu.cn. School of Public Health, Shantou University, Shantou, China. lpli@stu.edu.cn.