1. Department of Child and Adolescent Psychiatry and Psychology, SGR-881, Institut Clinic of Neurosciences, Institut d'Investigacions Biomèdi ques August Pi Sunyer (IDIBAPS), Hospital Clínic Universitari of Barcelona, Barcelona, Spain.
2. Department of Medicine, Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), University of Barcelona, Barcelona, Spain.
3. Child and Adolescent Psychiatry Department, Hospital General Universitario Gregorio Marañón, School of Medicine, Universidad Complutense, IISGM, CIBERSAM, Madrid, Spain.
4. Child and Adolescent Psychiatry Department, Hospital Infantil Universitario Niño Jesús, Madrid, Spain.
5. Child and Adolescent Psychiatry Department, Hospital Sant Joan de Déu, CIBERSAM, Barcelona, Spain.
6. Department of Child and Adolescent Psychiatry, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom.
7. Faculty of Medicine, Universitat de Barcelona, Barcelona, Spain.