1. University of Texas-Southwestern Medical Center, Department of Pathology, Dallas, TX, US.
2. Southwestern Institute of Forensic Sciences, Dallas, TX, US.
3. The South Bend Medical Foundation and Indiana University School of Medicine, Department of Pathology, South Bend Center for Medical Education of the University of Notre Dame, 530 N. Lafayette Blvd. South Bend, IN 46601-1078, US.