1. Department of Psychiatry; Ilsan Paik Hospital; Inje University School of Medicine; Goyang South Korea
2. Department of Psychiatry; Seoul Paik Hospital; Inje University School of Medicine; Seoul South Korea
3. New York Medical College; Valhalla NY USA
4. International Mood Centre; University of California and Veterans Administration Hospital; San Diego CA USA
5. Department of Psychiatry and Behavioral Sciences; Stanford University School of Medicine; Stanford CA USA