1. Department of Neurology, Barzilai Medical Center, Ashkelon, Israel/Faculty of Health Sciences, Ben-Gurion University of the Negev, Be’er Sheva, Israel
2. Department of Neurology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
3. Department of Neurology and Neurotherapeutics, The University of Texas Southwestern Medical Center, Dallas, TX, USA
4. Department of Neurology and Neurotherapeutics, The University of Texas Southwestern Medical Center, Dallas, TX, USA/Neurology Section, Medical Service, VA North Texas Health Care System, Dallas, TX, USA/Department of Neurology, Klinikum rechts der Isar, Technische Universität München, München, Germany