1. University Hospital of Child and Adolescent Psychiatry and Psychotherapy University of Bern BernSwitzerland
2. Institute of Pharmacology and Toxicology University of Zurich Zurich Switzerland
3. Department of Neurology University HospitalInselspital BernSwitzerland
4. Section for Translational Child and Adolescent Psychiatry Department of Child and Adolescent Psychiatry Center for Psychosocial Medicine University Hospital Heidelberg Heidelberg Germany