1. Department of Psychiatry, The Catholic University of Korea College of Medicine, Seoul, Korea.
2. International Health Care Center, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
3. Department of Psychiatry, Korea University, College of Medicine, Seoul, Korea.
4. Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC, USA.
5. Global Medical Education, New York, NY, USA.
6. Cell Death Disease Research Center, College of Medicine, The Catholic University of Korea, Seoul, Korea.