Document Type : Original Article
1 Abadan Faculty of Medical Sciences, Abadan, IR Iran.
2 Air Pollution and Respiratory Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, IR Iran.
3 Faculty of Water Sciences Engineering, Shahid Chamran University of Ahvaz, Ahvaz, IR Iran.
4 Visiting Lecturer University of Moratuwa and Visiting Lecturer University of Vocational Technology, Sri Lanka.