[1] Yonsei Univ, Coll Med, Dept Psychiat, Seoul, South Korea
[2] Yonsei Univ, Coll Med, Inst Behav Sci Med, Seoul, South Korea
[3] Yonsei Univ, Res Inst Sci Aging, Seoul, South Korea
[4] Yeungnam Univ, Dept Food & Nutr, Gyongsan, South Korea
[5] Ajou Univ, Sch Med, Dept Psychiat, Suwon, South Korea
[6] Ajou Univ Hosp, Memory Impairment Ctr, Suwon, South Korea