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About the author:
Dr. Hans-Christian Kossak, Dipl.-Psych., psychological psychotherapist and child and adolescent psychotherapist as behavioral therapist, client-centered psychotherapist, hypnotherapist.
About the author:
Dr. Hans-Christian Kossak, Dipl.-Psych., psychological psychotherapist and child and adolescent psychotherapist as behavioral therapist, client-centered psychotherapist, hypnotherapist.