1. Department of Neurology, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin, Korea.
2. Department of Biochemistry, College of Medicine, Dong-A University, Busan, Korea.
3. Department of Translational Biomedical Sciences, Graduate School of Dong-A University, Busan, Korea.
4. Department of Neurology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.