1. Associate professor, senior research assistant, and professional research assistant, respectively, The University of Colorado School of Medicine, Department of Preventive Medicine and Biometrics, Campus Box C245, 4200 East Ninth Avenue Denver, CO 80262, US.
2. Chief medical examiner, Office of the Chief Medical Examiner, Suffolk County, New York, US.
3. Forensic Laboratory Director, The Metropolitan Dade County Medical Examiner Department, US.
4. Associate professor, The University of Miami School of Medicine, Department of Neurology, US.