1. Department of Environmental and Occupational Health, College of Public Health, Kuwait University, Safat 13110, Kuwait
2. Shuaiba Medical Industrial Center, Occupational Health Department, Ministry of Health, Ahmadi 47005, Kuwait
3. Departments of Occupational Therapy, Faculty of Allied Health Science, Kuwait University, Kuwait City 12037, Kuwait
4. Departments of Molecular Biology, Faculty of Graduate Studies, Kuwait University, Kuwait City 12037, Kuwait