... Laboratory, National school of Engineers, Sfax University, Sfax - Tunisia 2University laboratory of Occupational Medicine and Occupational Hazards, EA 2690 Poisons and occupational carcinogens and ... Authors’ contributions IG was involved in the conception and design of the project, data collection, data analysis, data interpretation, manuscript writing, and final approval of manuscript MK was involved ... involved in the conception and design of the project, data collection, data analysis, data interpretation, manuscript writing, and final approval of manuscript CN was involved in the conception and...