1. Department of Veterinary Pharmacology and Toxicology; College of Veterinary Medicine; China Agricultural University; Beijing China
2. Laboratory of Quality & Safety Risk Assessment for Animal Products on Chemical Hazards (Beijing); Ministry of Agriculture and Rural affairs; Beijing China
3. Beijing Orbiepharm Co. Ltd.; Beijing China
4. Key Laboratory of Detection for Veterinary Drug Residues and Illegal Additives; Ministry of Agriculture and Rural affairs; Beijing China