1. Section Cytopathology, Institute of Pathology, University Medical Center Hamburg-Eppendorf UKE, D-20246 Hamburg, Germany
2. Acıbadem Healthcare Group, Pathology Department, Acıbadem University, 34752 Istanbul, Turkey
3. LungenClinic Großhansdorf, D-22927 Großhansdorf, Germany
4. Airway Research North (ARCN), Deutsches Zentrum für Lungenforschung (DZL), D-35037 Marburg, Germany
5. Department of Nuclear Medicine, National Center of Oncology, 1012 Baku, Azerbaijan