1. Department of Biological, Geological and Environmental Sciences, University of Catania, Via Androne 81, 95124 Catania, Italy
2. Department of Chemical Sciences, Viale Andrea Doria 6, 95125 Catania, Italy
3. Experimental Zooprophylactic Institute of Sicily “A. Mirri”, Via Gino Marinuzzi, 3, 90129 Palermo, Italy
4. Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, 98166 Messina, Italy
5. Institute for Marine Biological Resources and Biotechnology (IRBIM), National Research Country (CNR), 98122 Messina, Italy