1. Department of Pharmaceutical Sciences; University of the Sciences; Philadelphia Pennsylvania USA
2. Department of Anthropology; New School for Social Research; New York New York USA
3. Alere Forensics (Forensics Ltd), Malvern Hills Science Park; Malvern UK
4. State Bureau of Criminal Investigation Schleswig-Holstein; Section Narcotics/Toxicology; Kiel Germany
5. School of Pharmacy and Biomolecular Sciences; Liverpool John Moores University; Liverpool UK