1. Institute of Clinical Psychology and Psychotherapy, Faculty of Psychology, Technische Universität Dresden, Dresden, Germany
2. Institute and Policlinic of Occupational and Social Medicine, Faculty of Medicine of the Technische Universität Dresden, Dresden, Germany
3. Institute for Systems Medicine (ISM), Medical School Hamburg MSH, Hamburg, Germany
4. Department of Childhood and Families, Norwegian Institute of Public Health, Oslo, Norway