1. Public Health & Adults immunization Laboratory, Faculty of Nursing, University of Thessaly, 41500, Larissa, Greece
2. Laboratory of Clinical Nursing, Department of Nursing, University of Thessaly, 41 500 Larissa, Greece
3. Clinic of Preventive Medicine and Nutrition, Department of Social Medicine, Medical School, University of Crete, Heraklion, Greece
4. Respiratory Disorders Lab, Faculty of Nursing, University of Thessaly, 41500 Larissa, Greece
5. Department of Social Medicine, Medical School, University of Crete, Heraklion, Greece