1. Department of Public Health Policy, University of West Attica Athens, 115 21 Athens, Greece
2. Laboratory for Health Technology Assessment, Department of Public Health Policy, School of Public Health, University of West Attica, 115 21 Athens, Greece
3. Department of Emergency Medicine, Faculty of Medicine, University of Thessaly, 415 00 Larissa, Greece
4. ICU, Henry Dunant Hospital Center, 115 26 Athens, Greece