1 Department of Chest Diseases and Intensive Care, Marmara University School of Medicine, İstanbul, Turkey.
2 Department of Pulmonology University of Health Sciences, Süreyyapaşa Chest Diseases and Cheast Surgery Training and Research Hospital, İstanbul, Turkey.
3 Department of Physiotherapy and Rehabilitation, Lefke European University Faculty of Health Sciences, Lefka, Cyprus.
4 UCL School of Pharmacy, Centre for Behavioural Medicine, University College London, United Kingdom.