1. Department of Internal Medicine; Landesklinik St. Veit im Pongau; SALK; Paracelsus Medical University; Salzburg Austria
2. Department of Anatomy and Musculoskeletal Research; Paracelsus Medical University; Salzburg Austria
3. Department of Neurology; Christian-Doppler-Klinik; SALK; Paracelsus Medical University; Salzburg Austria
4. Research Office (biostatistics); Paracelsus Medical University; Salzburg Austria
5. Professor of Plastic Surgery and Neurosurgery; Johns Hopkins University; Baltimore MD