1. National Institute of Public Health and Environmental Hygiene, PO Box 1, 3720 BA Bilthoven, Department of Reanimation and Clinical Toxicology, University Hospital Utrecht, Catharijnesingel 101, 3500 CG Utrecht
2. National Institute of Public Health and Environmental Hygiene, PO Box 1, 3720 BA Bilthoven
3. State Laboratory Forensic Pathology, Volmerlaan 17, 2288 GD Rijswijk, The Netherlands