1. Department of Emergency Medicine, Wonkwang University Sanbon Hospital, Wonkwang University School of Medicine, Gunpo, Korea
2. Department of Neuropsychiatry, Wonkwang University Sanbon Hospital, Wonkwang University School of Medicine, Gunpo, Korea
3. Department of Oral and Maxillofacial Surgery, Wonkwang University Sanbon Hospital, Wonkwang University School of Medicine, Gunpo, Korea