1Neurologische Universitätsklinik Klinikum Carl Gustav Carus, Fetscherstraße 74, 01307 Dresden, Germany
2Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
3Hospital Britanico de Buenos Aires, Buenos Aires, Argentina
4Virga Jessaziekenhuis, Hasselt, Belgium
5Hospital de Santa Maria, Lisbon, Portugal
6Central Hospital of Buskerud, Drammen, Norway
7Glostrup Hospital, University of Copenhagen, Glostrup, Denmark
8Tenon Hospital, Paris, France
9General Hospital of Athens, Athens, Greece
10Department of Neurology and Department of Clinical and Experimental Medicine, University of Linköping, Linköping, Sweden
11Department of Medical Specialists and Department of Medicine and Health Sciences, Linköping University, Motala, Sweden
12Central University of Guadalajara, Guadalajara, Jalisco Mexico
13School of Medicine and Medical Science, Dublin University, Dublin, Ireland
14Teva Pharmaceuticals Industries Ltd, Petach Tikva, Israel