1 Department of Clinical & Experimental Medicine, University of Catania, Catania, Italy. davide.campagna@unict.it.
2 UOC MCAU, Emergency Department at University Hospital AOU Policlinico "G.Rodolico-San Marco" of Catania, via S. Sofia, 78-Ed.7, 95123, Catania, Italy. davide.campagna@unict.it.
3 Unit of Infectious Diseases, Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy.
4 UOC MCAU, Emergency Department at University Hospital AOU Policlinico "G.Rodolico-San Marco" of Catania, via S. Sofia, 78-Ed.7, 95123, Catania, Italy.
5 Department of Clinical & Experimental Medicine, University of Catania, Catania, Italy.