1. Section of Forensic Chemistry, Department of Forensic Medicine, Faculty of Health and Medical SciencesUniversity of Copenhagen Frederik V's Vej 11 2100 Copenhagen Denmark
2. Laboratory of Toxicology, Department of Bioanalysis, Faculty of Pharmaceutical SciencesGhent University Ottergemsesteenweg 460 9000 Ghent Belgium
3. Laboratory of ToxicologyNational Institute of Criminalistics and Criminology Vilvoordsesteenweg 100 1120 Brussels Belgium