[1] Yonsei Univ, Coll Med, Dept Neurol, Seoul, South Korea
[2] Yonsei Univ, Coll Med, Integrat Res Ctr Cerebrovasc & Cardiovasc Dis, Seoul, South Korea
[3] Yonsei Univ, Coll Med, Dept Res Affairs, Biostat Collaborat Unit, Seoul, South Korea
[4] Yonsei Univ, Yongin Severance Hosp, Coll Med, Dept Neurol, Yongin, South Korea
[5] Burke Neurol Inst, White Plains, NY USA
[6] Weill Cornell Med, Feil Family Brain & Mind Res Inst, New York, NY USA
[7] Yonsei Univ, Coll Med, Dept Neurol, 50-1 Yonsei Ro, Seoul 03722, South Korea
[8] Weill Cornell Med, Burke Neurol Inst, 785 Mamaroneck Ave, White Plains, NY 10605 USA