1. Department of Neurology, Haeundae Paik Hospital, Inje University College of Medicine, Busan, Republic of Korea
2. Department of Radiology, Haeundae Paik Hospital, Inje University College of Medicine, Busan, Republic of Korea
3. Department of Family Medicine, Busan Paik Hospital, Inje University College of Medicine, Busan, Republic of Korea.