1. Department of Physiology, Medical School; University of Patras; Patras Greece
2. Laboratory for Molecular Respiratory Carcinogenesis, Department of Physiology, Faculty of Medicine; University of Patras; Patras Greece
3. Department of Anatomy-Histology-Embryology, School of Medicine; University of Patras; Patras Greece
4. Department of Biology, Medical School; University of Patras; Patras Greece
5. Department of Histology and Embryology, School of Medicine; National Kapodistrian University of Athens; Athens Greece
6. Biomedical Research Foundation of the Academy of Athens; Athens Greece
7. Faculty of Biology, Medicine and Health; University of Manchester, Manchester Academic Health Science Centre; Manchester UK