1. Diabetes Centre for Children and Adolescents; Kinder- und Jugendkrankenhaus; Auf der Bult; Hannover; Germany
2. Department of Paediatric Diabetology and Birth Defects; Medical University of Warsaw; Warsaw; Poland
3. Department of Paediatrics; Medical University of Vienna; Vienna; Austria
4. Universitätsklinik und Poliklinik für Kinder und Jugendliche; Leipzig; Germany
5. Département de Pédiatrie; Centre Hospitalier Universitaire; Angers; France
6. Department of Medical Psychology; Hannover Medical School; Hannover; Germany