1. Department of Neurology, Mokdong Hospital, Ewha Womans University School of Medicine, Seoul, Korea.
2. Department of Neurology, Yonsei University College of Medicine, Seoul, Korea.
3. Department of Chemistry, Yonsei University, Seoul, Korea.
4. Department of Pharmacology, Pharmacogenomic Research Center for Membrane Transporters, Brain Korea 21 PLUS Project for Medical Sciences, Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea.
5. Department of Oral Biology, Yonsei University College of Dentistry, Seoul, Korea.