1. CNRSL, Lebanese Atomic Energy Commission (LAEC), Laboratory for Analysis of Organic Compound (LAOC), Beirut, Lebanon
2. French Agency for Safety of Food, Environment and Occupational Health, Laboratory of Fougères, French National and European Union Reference Laboratory for Residues of Antimicrobial Veterinary Medicinal Products in Food from Animal Origin, Fougères, France
3. Faculty of Public Health I, Lebanese University, Hadath, Beirut, Lebanon