1. Department of Medical and Surgical Sciences - Unit of Legal Medicine; University of Bologna; Via Irnerio 49 40126 Bologna Italy
2. Department of Diagnostics and Public Health - Unit of Forensic Medicine; University of Verona; P.le L.A. Scuro 10 Verona Italy
3. Legal Medicine and Toxicology; University-Hospital of Padova; Via Falloppio 50 35121 Padova Italy
4. Forensic Toxicology Division; Department of Health Science; University of Florence; Italy