[1] Hosp Univ Fdn Jimenez Diaz, Dept Child & Adolescent Psychiat, Madrid, Spain
[2] Inst Invest Sanitaria Fdn Jimenez Diaz, Translat Psychiat Res Grp, Madrid, Spain
[3] Univ Complutense Madrid, Dept Psychol, Madrid, Spain
[4] Univ Autonoma Madrid, Dept Psychiat, Madrid, Spain
[5] Imperial Coll London, Ctr Psychiat, Mood Instabil Res Grp, London, England
[6] Univ Carlos III, Dept Statisticts, Madrid, Spain
[7] Hosp Univ Fdn Jimenez Diaz, Dept Psychiat, Madrid, Spain
[8] Hosp Univ Rey Juan Carlos, Madrid, Spain
[9] CIBERSAM, Madrid, Spain
[10] Hosp Univ Cent Villalba, Dept Psychiat, Madrid, Spain
[11] Hosp Univ Infanta Elena, Dept Psychiat, Madrid, Spain
[12] Univ Catolica Maule, Dept Psychiat, Talca, Chile