1. Department of Health Food Inspection and Testing, Shanxi Provincial Institute for Food and Drug Control, Taiyuan City, Shanxi Province, People’s Republic of China (PRC)
2. Nuclear Magnetic Resonance Lab, Beijing Municipal Center for Food Safety Monitoring and Risk Assessment, Beijing City, People’s Republic of China (PRC)
3. Research Center for Capability Evaluation of Inspection Institutions, National Institutes for Food and Drug Control, Beijing City, People’s Republic of China (PRC)