1. Laboratory of Molecular and Cellular Pneumonology, Medical School, University of Crete, 71110 Heraklion, Crete, Greece
2. Laboratory of Clinical Virology, Medical School, University of Crete, 71003 Heraklion, Crete, Greece
3. Department of Thoracic Medicine, Interstitial Lung Disease Unit, University Hospital, University of Crete, 71110 Heraklion, Crete, Greece