1. Institute of Nutrition & Health, Qingdao University, Qingdao, China
2. School of Public Health, Qingdao University, Qingdao, China
3. Binzhou Center for Disease Control and Prevention, Binzhou, China
4. Affiliated Hospital of Qingdao University, Qingdao, China
5. Byhealth Institute of Nutrition & Health, Guangzhou, China