1. Department of Critical Care and Pulmonary Medicine, National and Kapodistrian University of Athens, School of Medicine, “Evangelismos” Hospital, Athens, Greece
2. Molecular Carcinogenesis Group, Department of Histology and Embryology, School of Medicine, National & Kapodistrian University of Athens, Athens, Greece
3. Applied Econometrics & Data Analysis, Department of Statistics, Athens University of Economic & Business, Athens, Greece
4. Department of Immunology - Histocompatibility, “Evangelismos” Hospital, Athens, Greece
5. Biomedical Research Foundation of the Academy of Athens, Athens, Greece
6. Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK