aspectpsychologique dissociativeidentitydisorder familie families familjen familjeterapi famille familles family familypsychotherapy familyrelationships familytherapy gezinstherapie interpersonalrelations klient methods metodik multiplepersonality multiplepersönlichkeit mänskligarelationer patienter personnalitémultiple psychologicalaspects psychologicalaspectsoffamily psychology psychosynthesis psychosynthèse psychotherapie psychotherapypatients psykologiskaaspekter psykoterapi relationsfamiliales systeemtheorie thérapiefamiliale