1. Neuroradiological Academic Unit UCL Queen Square Institute of Neurology London UK
2. Department of Radiology Mansoura University Hospitals Mansoura Egypt
3. Queen Square Centre for Neuromuscular Diseases, Department of Neuromuscular Diseases UCL Queen Square Institute of Neurology London UK
4. Institute of Radiology and Nuclear Medicine and Breast Center St. Anna Hirslanden Klinik St. Anna Lucerne Switzerland