1. University of Cologne, Faculty of Medicine and University Hospital Cologne, Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, Cologne, Germany
2. Department of Psychology, Faculty of Medicine and Psychology, Sapienza University of Rome, Rome, Italy
3. IRCCS Santa Lucia Foundation, Rome, Italy
4. Department of Dynamic and Clinical Psychology and Health Studies, “Sapienza” University of Rome, Rome, Italy
5. Department of Child and Adolescent Psychiatry, Centre for Psychosocial Medicine, Heidelberg University, Heidelberg, Germany
6. University Hospital of Child and Adolescent Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland