1. Department of Infectious Diseases; Gachon University Gil Hospital; Incheon Republic of Korea
2. Departments of Infectious Diseases; University of Ulsan College of Medicine; Seoul Republic of Korea
3. Department of Neurology; Ulsan University Hospital, University of Ulsan College of Medicine; Ulsan Republic of Korea
4. Departments of Neurology, Asan Medical Center; University of Ulsan College of Medicine; Seoul Republic of Korea