1. Department of Multiple Sclerosis Center; Chaim Sheba Medical Center; Tel Hashomer Affiliated to the Sackler Faculty of Medicine; Tel Aviv University; Tel Aviv Israel
2. The Israeli Association for Cardiovascular Trials; Leviev Heart Center; Sheba Medical Center; Ramat Gan Israel
3. Department of Neurology; Shaare Zedek Medical Center; Affiliated to the Hebrew University School of Medicine; Jerusalem Israel