1. Department of Neurology, College of Medicine; Hanyang University; Seoul
2. Cell Therapy Center for Intractable Disorders; Hanyang University Hospital; Seoul
3. Department of Pharmacology, School of Medicine; CHA University; Gyeonggi-do
4. Department of Neurology, Busan Paik Hospital; Inje University College of Medicine; Busan
5. Department of Laboratory Medicine and Genetics, Samsung Medical Center; Sungkyunkwan University School of Medicine; Seoul Republic of Korea