1. Department of Psychiatry, Soonchunhyang University College of Medicine, Cheonan, Korea
2. Department of Nuclearmedicine, Soonchunhyang University College of Medicine, Cheonan, Korea
3. Institute for Integrative Medicine, Catholic Kwandong University College of Medicine, Incheon, Korea
4. Department of Radiology, International St. Mary's Hospital, Incheon, Korea