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Thomas M. Gehring is Senior Lecturer for Clinical Psychology at the University of Basle and Health of the Section of Methodology and Evaluation at the Department of Social and Preventative Medicine, University of Zurich. He is the author of the Family System Test (FAST). Marianne Debry is a Professor at the University of Liege and Head of the Department of Child and Adolescent Psychology. She has translated the FAST manual into French. Peter K. Smith is Professor of Psychology at Goldsmiths College, University of London and Head of the Unit for School and Family Studies.
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