1. Public Health & Adults Immunization Laboratory, School of Health Sciences, Faculty of Nursing, University of Thessaly, 41110 Larissa, Greece
2. Primary Health Care Postgraduate Program, University of Thessaly, 41500 Larissa, Greece
3. Department of Human Pathophysiology, Faculty of Nursing, University of Thessaly, 41500 Larissa, Greece
4. Respiratory Disorders Laboratory, Faculty of Nursing, University of Thessaly, 41110 Larissa, Greece
5. Laboratory of Clinical Nursing, Department of Nursing, University of Thessaly, 41500 Larissa, Greece
6. Department of Respiratory Medicine, School of Health Sciences, Faculty of Medicine, University of Thessaly, 41500 Larissa, Greece