1. Department of Neurology, Ajou University School of Medicine, Suwon, South Korea
2. FCB-Pharmicell, Sungnam-si, South Korea
3. Department of Neurosurgery, Ajou University School of Medicine, Suwon, South Korea
4. Brain Disease Research Center, Ajou University School of Medicine, Suwon, South Korea
5. Department of Neurology, Sungkyunkwan University School of Medicine, Seoul, South Korea