1. Neurology Clinic I, Emergency Clinical County Hospital, Targu Mures, Romania
2. Doctoral School (I.O.S.U.D.) of the University of Medicine, Pharmacy, Science and Technology of Târgu Mureș, Romania
3. Department of Neurology, University of Medicine, Pharmacy, Science and Technology of Targu Mures, Romania
4. Municipal Hospital, Sighisoara, Romania
5. Department of Epidemiology, University of Medicine, Pharmacy, Science and Technology of Targu Mures, Romania