1. Department of Pulmonary Medicine, Namık Kemal University, 59010 Tekirdag, Turkey
2. Maslak Hospital, Faculty of Medicine, Department of Pulmonary Medicine, Acibadem Mehmet Ali Aydinlar University, 34752 Istanbul, Turkey
3. Department of Biochemistry, School of Medicine, Istanbul University-Cerrahpasa, 34320 Istanbul, Turkey
4. Basaksehir Cam and Sakura State Hospital, Department of Pulmonary Medicine, University of Health Sciences, 34480 Istanbul, Turkey
5. Department of Biochemistry, Faculty of Medicine, İstanbul Atlas University, 34403 Istanbul, Turkey