1. DIEEI, University of Catania, 95123 Catania, Italy
2. Department of Drug and Health Sciences, University of Catania, 95123 Catania, Italy
3. Expanded Newborn Screening Laboratory, Unit of Clinical Pediatrics, University of Catania, 95123 Catania, Italy
4. Unit of Clinical Pediatrics, Department of Clinical and Experimental Medicine, University of Catania, 95124 Catania, Italy
5. Department of Engineering, University of Messina, 98122 Messina, Italy
6. Department of Information Engineering, University of Brescia, 25123 Brescia, Italy