[1] Ctr Dev Disorders, Deventer, Netherlands
[2] Univ Amsterdam, Acad Med Ctr, Amsterdam Inst Addict Res, NL-1105 AZ Amsterdam, Netherlands
[3] Temple Univ, Tokyo, Japan
[4] Radboud Univ Nijmegen Med Ctr, Karakter Dept Child & Adolescent Psychiat, Nijmegen, Netherlands