1. Regional Centre for Child and Youth Mental Health and Child Welfare; Uni Health, Uni Research, Norway and National Network for Infant Mental Health, Regional Centre for Child and Adolescent Mental Health; East and South Norway
2. National Network for Infant Mental Health; Regional Centre for Child and Adolescent Mental Health; East and South Norway
3. National Network for Infant Mental Health; Regional Centre for Child and Adolescent Mental Health, East and South, Norway and Department of Psychology, University of Oslo; Norway
4. Department of Child and Adolescent Psychiatry, Hospital Bichat-Claude Bernhard APHP, France and Université; Paris 7 France
5. National Network for Infant Mental Health; Regional Centre for Child and Adolescent Mental Health, East and South, Norway and Department of Behavioural Sciences and Learning, Linköping University; Sweden