1 | Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada |
2 | Clinic of Social and Family Medicine, Department of Medicine, University of Crete, Heraklion, Greece |
3 | Medical School of the National and Kapodistrian University of Athens, Athens, Greece |
4 | St George's University of London, University of Nicosia, Cyprus |
5 | Cyprus National Health Organization, Cyprus |
6 | Aristotle University of Thessaloniki, Medical School, Thessaloniki, Greece |
7 | University of Ioannina, Ioannina, Greece |