1. Department of Therapeutic Research and Medicines Evaluation; Istituto Superiore di Sanità; Viale Regina Elena 299 00161 Rome Italy
2. Unit of Forensic Toxicology (UoFT), Department of Anatomical, Histological, Forensic and Orthopedic Sciences; Sapienza University of Rome; Viale Regina Elena 336 00185 Rome Italy
3. Sezione di Chimica, Esplosivi ed Infiammabili, R.I.S.; Roma