1. Department of Hygiene and Epidemiology , Medical University of Lublin , Poland
2. Department of Dermatology, Venerology and Pediatric Dermatology , Independent Public Healthcare Unit No.1 in Lublin , Poland
3. Department ofUnderwater Works Technology , Naval Academy in Gdynia , Poland
4. Department of Pharmacology, Toxicology and Environmental Protection, Faculty of Veterinary Medicine , University of Life Sciences , Lublin , Poland
5. Team Ophtalmology Department Mazowiecki Szpital Brudnowski in Wasaw , Poland