[1] Yonsei Univ, Coll Med, Psychiat, Seoul, South Korea
[2] Yonsei Univ, Coll Med, Seoul, South Korea
[3] Dankook Univ, Div Informat & Comp Sci, Yongin, South Korea
[4] Korea Univ, Future Informat & Network Architecture Lab, Seoul, South Korea
[5] Yonsei Univ, Coll Med, Inst Behav Sci Med, Psychiat, Seoul, South Korea