1. Department of Pneumology, Medical University of Lodz, 90-419 Lodz, Poland
2. Department of Otolaryngology, Polish Mother’s Memorial Hospital Research Institute, 90-419 Lodz, Poland
3. Department of Pulmonary Rehabilitation, Center for Lung Diseases and Rehabilitation, Blessed Rafal Chylinski Memorial Hospital for Lung Diseases, 90-419 Lodz, Poland