1. Movement Disorder Unit, Department of Neurology, Tel-Aviv Sourasky Medical Center, Tel-Aviv, Israel.
2. Departments of Neurology, Physiology and Pharmacology, Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel.
3. Sagol School of Neuroscience, Tel-Aviv University, Tel-Aviv, Israel.
4. St George's Hospital, University of London, London, United Kingdom.
5. Arrow Project for Medical Research, Chaim Sheba Medical Center, Ramat-Gan, Israel.
6. School of Public Health, Epidemiology, Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel.