[1] Moscow State Univ Dent, Gen Med Fac, Dept Neurol, Moscow, Russia
[2] Krasnoyarsk State Med Univ, Dept Neurol, Krasnoyarsk, Russia
[3] MF Vladimirskiy Moscow Reg Clin Res Inst, Dept Neurol, Moscow, Russia
[4] Kazan State Med Univ, Dept Neurol, Kazan, Russia
[5] Samara State Med Univ, Dept Neurol & Neurosurery, Samara, Russia
[6] Chelyabinsk State Med Univ, Dept Neurol, Chelyabinsk, Russia
[7] Perm State Med Univ, Dept Neurol, Perm, Russia
[8] Siberian State Med Univ, Dept Neurol & Neurosurg, Tomsk, Russia
[9] Moscow State Univ Med, Dept Neurol, Moscow, Russia