1. Leiden University Medical Center; Barge's Anthropologica, Dept. of Anatomy; Leiden Netherlands
2. Amsterdam Medical Center; Dept. of Anatomy, Embryology and Physiology; Amsterdam Netherlands
3. Leiden University Medical Center; Dept. of Radiology; Leiden Netherlands
4. University of Pretoria; Forensic Anthropologic Research Center, Dept. of Anatomy; Pretoria South Africa