1. Federal Public Service Justice, National Institute of Criminalistics and Criminology, Vilvoordsesteenweg 100, 1120 Brussels, Belgium
2. Quality of Medical Laboratories, Scientific Institute of Public Health, J. Wytsmanstraat 14, 1050 Brussels, Belgium
3. Institute of Forensic Medicine, University Hospital Jena, Am Klinikum 1, 07747 Jena, Germany