Volume 46, Issue 2, March 2013, Pages: 156–163
The authors have brought to our attention that the first two authors are associated to an incorrect affiliation. The below information corrects this error. The publisher apologizes for any inconvenience this may have caused.
1Department of Child and Adolescent Psychiatry, University of Marburg, Marburg, Germany
2Department of Child and Adolescent Psychiatry, University of Duisburg-Essen, Essen, Germany
3Red Cross Children's Hospital Siegen, Siegen, Germany