1. Institute of Human Anatomy, Department of Neurosciences; University of Padova; Padova Italy
2. Section of Radiology, Euganea Medica Center; Albignasego Padova Italy
3. Operative Unit of Radiology, University Hospital of Padova; Padova Italy
4. Department of Anatomical Sciences, School of Medicine; St. George's University; West Indies Grenada
5. Seattle Science Foundation; Seattle Washington USA