[1] Niigata Univ, Gradu Sch Med & Dent Sci, Dept Psychiat, Chuo Ku, Niigata 9518510, Japan
[2] Niigata Univ, Ctr Transdisciplinary Res, Dept Pediat Psychiat, Niigata 9518510, Japan
[3] Niigata Univ, Med & Dent Hosp, Uonuma Inst Community Med, Dept Psychiat, Niigata 9518510, Japan
[4] Oojima Hosp, Sanjo, Niigata, Japan
[5] Niigata Univ, Headquarters Hlth Adm, Hlth Adm Ctr, Niigata 9518510, Japan
[6] Hamamatsu Univ, Sch Med, Dept Child & Adolescent Psychiat, Hamamatsu, Shizuoka 4312102, Japan