1. University of Cologne, Medical Faculty and University Hospital, Center of Prevention and Rehabilitation, UniReha Cologne Germany
2. Department of Neuropediatrics University Children's Hospital Klinikum Oldenburg Oldenburg Germany
3. Department of Pediatrics University of Cologne, Medical Faculty and University Hospital Cologne Germany
4. Department of Psychiatry, Psychosomatics and Psychotherapy for children and adolescents University of Cologne, Medical Faculty and University Hospital Cologne Germany