1. Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden
2. Liljeholmen Primary Health Care Center, Region Stockholm, Stockholm, Sweden
3. Academic Primary Health Care Center, Region Stockholm, Stockholm, Sweden
4. Division of Psychology, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
5. Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet & Stockholm Health Care Services, Region Stockholm, Stockholm, Sweden
6. Center for Health and Medical Psychology, School of Behavioural, Social and Legal Sciences, Örebro University, Örebro, Sweden
7. Department of Behavioural Sciences and Learning, Linköping University, Linköping, Sweden
8. Department of Psychology, Stockholm University, Stockholm, Sweden
9. Division of Clinical Epidemiology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
10. Department of Clinical Science and Education, Karolinska Institutet, Stockholm, Sweden
11. Department of Pediatric Gastroenterology and Nutrition, Sachs’ Children’s Hospital, Stockholm, Sweden
12. Division of Neuro, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden