1. Institute of Forensic Medicine, Forensic Toxicology Department; University Medical Center Freiburg; Albertstraße 9 79104 Freiburg Germany
2. Hermann Staudinger Graduate School; University of Freiburg; Hebelstraße 27 79104 Freiburg Germany
3. Institute of Legal Medicine; Charité-University Medicine Berlin; Turmstraße 21, Building N 10559 Berlin Germany
4. State Office of Criminal Investigation Baden-Württemberg; Taubenheimerstraße 85 70372 Stuttgart Germany