1. Department of Neurology; Seoul National University Hospital; Seoul South Korea
2. Department of Neurology; Soonchunhyang University Seoul Hospital; Seoul South Korea
3. Department of Neurology; Kyung Hee University Hospital at Gangdong; Seoul South Korea
4. Medical Research Collaborating Center; Seoul National University Hospital; Seoul South Korea
5. Department of Neurology; Seoul National University Hospital Healthcare System Gangnam Center; Seoul South Korea
6. Protein Metabolism Medical Research Center; Seoul National University College of Medicine; Seoul South Korea