1. Preventive Medicine Laboratory, College of Public Health, Dalian Medical University, Dalian, Liaoning, China
2. Department of Internal Medicine, The Affiliated Zhong Shan Hospital of Dalian University, Dalian, Liaoning, China
3. Department of Occupational and Environmental Health, College of Public Health, Dalian Medical University, Dalian, Liaoning, China
4. Operations Analytics, New York, NY, USA
5. Department of Nutrition and Food Safety, College of Public Health, Dalian Medical University, Dalian, Liaoning, China