1. Forensic scientists and director, respectively, Institute of Legal Medicine, University of Bern, CH.
2. Institut für Rechtsmedizin der Universität Bern Bühlstrasse 20 CH-3012 Bern, CH.
3. Program manager for DNA Research, FSRTC, FBI Academy, Quantico, VA, US.
4. Senior forensic scientist, Forensic Science Service, Birmingham, GB.
5. Police Forensic Laboratory Bern, CH.
6. Commander, Police Forensic Laboratory Aarau, CH.