1. Institute of Public Health, Section of Legal Medicine; Università Cattolica del Sacro Cuore; Rome, Italy L.go F. Vito 1 00168 Rome Italy
2. Carabinieri; Department of Scientific Investigation (RIS); Viale Tor di Quinto 151 00191 Rome Italy
3. Department of Drug Chemistry and Technologies; Sapienza - Università di Roma; P.le A. Moro 5 00161 Rome Italy
4. Antidrug Policies Department; Presidency of Council of Ministers; Via della Ferratella in Laterano 51 00184 Rome Italy
5. Legal Medicine Section - SAPIENZA Università di Roma; Viale Regina Elena 336 Rome Italy
6. Institut de Police Scientifique; Université de Lausanne; Batiment Batochimie 1015 Lausanne Switzerland