Tác giả: Pierre Fontaine

Ao. Univ.-Prof. Dr. Hannes Krall teaches at the Institute of Educational Sciences and Research at the University of Klagenfurt. Dr. Jutta Fürst holds the scientific chair of a training programme for psychodrama psychotherapy at the University of Innsbruck. Prof. (em.) Pierre Fontaine, MD, was professor of Child & Family Psychiatry, Faculty of Psychology, at the University of Louvain (Belgium).