1. Department of Medical Psychology Amsterdam UMC, Vrije Universiteit Amsterdam The Netherlands
2. Amsterdam Public Health Research Institute Amsterdam UMC Amsterdam The Netherlands
3. Departamento de Personalidad, Evaluación y Tratamiento Psicológico, Facultad de Psicología Universidad de Málaga Málaga Spain
4. Departamento de Personalidad, Evaluacion y Tratamiento Psicologico Instituto de Investigación Biomedica de Málaga (IBIMA) Málaga Spain
5. Department of Psychology Stockholm University Stockholm Sweden
6. Department of Psychiatry Jagiellonian University Medical College Krakow Poland
7. Department of Metabolic Diseases Jagiellonian University Medical College Krakow Poland
8. The Australian Centre for Behavioural Research in Diabetes Carlton Victoria Australia
9. School of Psychology, Institute for Health Transformation Deakin University Geelong Victoria Australia
10. Forschungsinstitut Diabetes‐Akademie Bad Mergentheim (FIDAM GmbH) Bad Mergentheim Germany
11. Department of Clinical Psychology Psychotherapy of the University of Bamberg Bamberg Germany
12. Divission od Endocrinology, Diabetes and Metabolic Diseases Azienda Ospedaliera Universitaria Integrata Verona Verona Italy
13. School of Psychology, University of Galway and Centre for Diabetes, Endocrinology & Metabolism Galway University Hospital Galway Ireland
14. Center for Diabetes, Nutrition and Metabolic Diseases Emergency Clinical County Hospital Cluj‐Napoca Romania
15. Department of Medical Psychology Radboud UMC Nijmegen The Netherlands
16. Department of Medical and Clinical Psychology Tilburg University Tilburg The Netherlands
17. Diabeter, National Treatment and Research Center for Children Adolescents and Adults with Type 1 Diabetes Rotterdam The Netherlands
18. Behavioral Diabetes Institute San Diego California USA
19. Department of Medicine University of California San Diego California USA
20. Betsi Cadwaladr University Health Board, Hospitals and Health Care North Wales UK
21. Department of Family Medicine Dalhousie University Halifax Nova Scotia Canada