1. Department of Nursing, Faculty of Health Sciences, University of Primorska, Polje 42, 6310 Izola, Slovenia
2. Department of Nursing, Tal-Qroqq University of Malta, 2080 Msida, Malta
3. Department of Neurosciences, Sapienza University of Rome, 00185 Rome, Italy
4. Department of Computer Science, University of Cyprus, Nicosia 1678, Cyprus