1. Department of Psychiatry, Institute of Behavioral Science in Medicine, Yonsei University College of Medicine , Seoul , Republic of Korea
2. Department of Psychiatry, Seoul National University College of Medicine , Seoul , Republic of Korea
3. Pusan National University, Department of Psychology , Busan , Republic of Korea
4. Graduate School of Medical Science, Brain Korea 21 FOUR Project for Medical Science, Yonsei University College of Medicine , Seoul , Republic of Korea