1. Dpt. of Child and Adolescent Psychiatry and Psychotherapy; Central Institute of Mental Health; Mannheim/Germany
2. Dpt. of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy; J.W. Goethe University; Frankfurt am Main/Germany
3. Dpt. of Laboratory Medicine; J.W. Goethe University; Frankfurt am Main/Germany
4. Institute of Laboratory Medicine; Clinical Chemistry and Molecular Diagnostics; University of Leipzig/Germany