1. Department of Forensic Science; Landeskriminalamt (LKA) Rheinland-Pfalz; Valenciaplatz 1-7 D-55118 Mainz Germany
2. Biocentre; University of Frankfurt; Marie-Curie Str. 9 D-60439 Frankfurt Germany
3. GW Pharmaceuticals plc.; Porton Down Science Park Salisbury Wiltshire SP4 0JQ U.K