[1] Hokkaido Univ, Grad Sch Med, Dept Psychiat, Sapporo, Hokkaido, Japan
[2] Houyougaoka Hosp, Dept Psychiat, Sapporo, Hokkaido, Japan
[3] Kyoto Univ, Grad Sch Med, Dept Hlth Promot & Human Behav, Kyoto, Japan
[4] Kyoto Univ, Sch Publ Hlth, Kyoto, Japan
[5] Hyogo Coll Med, Dept Neuropsychiat, Hyogo, Japan
[6] Univ Miyazaki, Fac Med, Sch Nursing, Miyazaki, Japan
[7] Tohoku Gakuin Univ, Fac Liberal Arts, Dept Human Sci, Sendai, Japan
[8] Tokyo Med Univ, Dept Psychiat, Tokyo, Japan
[9] Chiba Univ Hosp, Cognit Behav Therapy Ctr, Chiba, Japan