1. Mellen Center for Multiple Sclerosis Treatment and Research, Cleveland Clinic, Cleveland, Ohio
2. Functional Diagnostics, Research Institute of Traumatology and Orthopedics, Nizhniy Novgorod, Russian Federation
3. Neurology Center Lodz, Lodz, Poland
4. Lycalis sprl, Brussels, Belgium
5. Department of Health Sciences, University of Genoa, Genoa, Italy
6. Synthon BV, Nijmegen, the Netherlands
7. Image Analysis Center, Department of Radiology and Nuclear Medicine, VU University Medical Center, Amsterdam, the Netherlands