1. Laboratory of Immunology, Department of Immunology, Hellenic Pasteur Institute, Athens, Greece
2. Department of Nursing, School of Health Sciences, University of Thessaly, Larissa, Greece
3. Department of Respiratory Medicine, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
4. Department of Physiology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece