1. Department of Neurology, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, Korea.
2. Department of Neurology and Institute of Health Science, Gyeongsang National University Hospital, Gyeongsang National University School of Medicine, Jinju, Korea.
3. Department of Neurology, Gyeongsang National University Changwon Hospital, Gyeongsang National University School of Medicine, Changwon, Korea.
4. Korea Organ Donation Agency, Seoul, Korea.
5. Department of Pediatrics, Gyeongsang National University School of Medicine, Jinju, Korea.