1. Department of Neurology Harvard Medical School Boston MA USA
2. Department of Neurology Brigham and Women's Hospital Boston MA USA
3. Department of Neurology Harvard Vanguard Medical Associates Braintree MA USA
4. Department of General Yitzhak Shamir Medical Center Be'er Ya'akov Israel
5. Department of Neurology Sheba Medical Center Ramat Gan Israel
6. Sackler School of Medicine University of Tel Aviv Tel Aviv Israel