Prof. Katajun Lindenberg, Ph.D., research scientist and clinical psychologist Associate professor for developmental psychology at the University of Education Heidelberg, Germany; Professor for clinical child psychology and psychotherapy at the Goethe University Frankfurt, GermanySophie Kindt, M.Sc., research associate and clinical psychologist. Her research focuses on Internet Use Disorders, prevention and risk factors. Carolin Szász-Janocha, M.Sc., research associate and clinical psychologist. Her research focuses on Internet Use Disorders, treatment and risk factors.