1. Department of Nursing, Bursa Uludag University Institute of Health Sciences, Bursa, Turkey
2. Department of Public Health Nursing, Bursa Uludag University, Faculty of Health Sciences, Bursa, Turkey
3. Environmental Health Engineering Research Center, Kerman University of Medical Sciences, Kerman, Iran
4. Department of Biostatistics and Epidemiology, Air Pollution and Respiratory Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
5. Department of Biostatistics, Bursa Uludag University Medical Faculty, Bursa, Turkey