1Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Hacettepe University, Samanpazari, Turkey
2School of Physiotherapy and Rehabilitation, Dokuz Eylul University, Inciralti, Turkey
3Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Emniyet Mah., Gazi University, Besevler, Turkey
4Faculty of Medicine, Department of Chest Medicine, Hacettepe University, Sihhiye, Turkey