1. Department of Nutrition and Food Hygiene, School of Public Health, Tianjin Medical University, Tianjin, People’s Republic of China
2. Department of Nutrition and Food Hygiene, Institute of Environmental and Operational Medicine, Tianjin, People’s Republic of China
3. Department of Nutrition and Food Hygiene, College of Public Health, Zhengzhou University, Zhengzhou, People’s Republic of China
4. Yantai Economic and Technological Development Area Hospital, Yantai Economic and Technological Development Area, Yantai, People’s Republic of China
5. Shandong Provincial Third Hospital, Cheeloo College of Medicine, Shandong University, Jinan, People’s Republic of China
6. The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People’s Republic of China