1. Faculty of Health Sciences, Nursing Department, Yildirim Beyazit University, Ankara, Turkey
2. Institute of Public Health, Faculty of Medicine, Hacettepe University, Ankara, Turkey
3. Faculty of Medicine, Department of Biostatistics and Medical Informatics, Yildirim Beyazit University, Ankara, Turkey
4. Faculty of Medicine, Department of Physical Medicine and Rehabilitation, Yildirim Beyazit University, Atatürk Training and Research Hospital, Ankara, Turkey
5. Department of Chest Diseases, Cubuk Halil Sıvgın State Hospital, Ankara, Turkey
6. Nursing Department, Cubuk Halil Sıvgın State Hospital, Ankara, Turkey