[1] Univ Ulsan, Asan Med Ctr, Dept Neurol & Pediat, Coll Med, Seoul, South Korea
[2] Chung Ang Univ, Dept Neurol, Coll Med, Seoul, South Korea
[3] Yonsei Univ, Dept Neurol, Coll Med, Seoul, South Korea
[4] Keimyung Univ, Dept Neurol & Pediat, Dongsan Hosp, Daegu, South Korea
[5] Daegu Catholic Univ, Dept Neurol, Med Ctr, Daegu, South Korea
[6] Gachon Univ, Dept Neurol & Pediat, Gil Med Ctr, Incheon, South Korea
[7] Kyungpook Natl Univ Hosp, Dept Neurol & Pediat, Daegu, South Korea
[8] Gyeongsang Natl Univ, Dept Neurol, Changwon Hosp, Chang Won, South Korea
[9] Chonbuk Natl Univ Hosp, Dept Neurol & Pediat, Jeonju, South Korea
[10] Kangwon Natl Univ Hosp, Dept Neurol, Chunchon, South Korea
[11] Korea Univ, Dept Neurol, Anam Hosp, Seoul, South Korea
[12] Chonnam Natl Univ Hosp, Dept Neurol, Kwangju, South Korea
[13] Myongji Univ Hosp, Dept Pediat, Goyang, South Korea
[14] Korea Univ, Dept Pediat, Ansan Hosp, Ansan, South Korea
[15] Inje Univ, Dept Pediat, Haeundae Paik Hosp, Pusan, South Korea
[16] Bundang Seoul Natl Univ Hosp, Dept Pediat, Bundang, South Korea
[17] Soonchunhyang Univ, Dept Pediat, Bucheon Hosp, Bucheon, South Korea
[18] Dankook Univ Hosp, Dept Neurol, Cheonan, South Korea
[19] Pusan Natl Univ Hosp, Dept Neurol & Pediat, Pusan, South Korea
[20] Kyung Hee Univ, Dept Neurol, Med Ctr, Seoul, South Korea
[21] Kwangju Christian Hosp, Dept Pediat, Kwangju, South Korea
[22] Pusan Natl Univ, Dept Pediat, Yangsan Hosp, Yangsan, South Korea