1. University of Tunis el Manar,The Higher Institute of Medical Technologies, Research Laboratory of Biophysics and Medical Technologies,Tunis,Tunisia
2. University of the West of England,The Computer Science Research Center,Bristol,UK
3. NorthShore University Health System,Outcomes Research Network Research Institute,USA
4. University of Tunis EL Manar Radiology,Department Kassab Orthopedics Institute,Manouba,Tunisia