1. EA3279 Self-perceived Health Assessment Research Unit; School of Medicine; Aix-Marseille Université; Marseille; France
2. Department of Neurology; Timone University Hospital; Marseille; France
3. Institute of Clinical Neurosciences; Hospital Regional Universitario Carlos Haya; Málaga; Spain
4. Neurological Rehabilitation Center Quellenhof; Bad Wildbad; Germany
5. Department of Neurology; Dokuz Eylül University; Izmir; Turkey
6. Multiple Sclerosis Unit; IRCCS Instituto Scienze Neurologiche; Bologna; Italy