1. Child and Adolescent Mental Health Center, Copenhagenn University Hospital – Mental Health Services CPH, Copenhagen
2. Applied Mathematics and Computer Science, Technical University of Denmark, Kgs. Lyngby
3. Child Study Center, Yale University, New Haven, CT
4. Department of Psychology, University of Oslo, Oslo
5. Department of Clinical Biochemistry, Copenhagen University Hospital - Rigshospitalet, Glostrup