1. Department of Medical Epidemiology and Biostatistics Karolinska Institutet Stockholm Sweden
2. Department of Paediatrics Örebro University Hospital Örebro Sweden
3. Division of Epidemiology and Public Health School of Medicine University of Nottingham Nottingham UK
4. Department of Medicine Celiac Disease Center Columbia University College of Physicians and Surgeons New York New York USA
5. Division of Gastroenterology Department of Medicine NYU Grossman School of Medicine New York New York USA
6. Department of Gastroenterology Faculty of Medicine and Health Örebro University Örebro Sweden
7. Clinical and Translational Epidemiology Unit and Division of Gastroenterology Massachusetts General Hospital Boston Massachusetts USA
8. Department of Physiology and Pharmacology Karolinska Institutet Stockholm Sweden
9. Perioperative Medicine and Intensive Care Karolinska University Hospital Stockholm Sweden
10. Clinical Epidemiology Division Department of Medicine Solna Karolinska Institutet Stockholm Sweden
11. Sachs' Children and Youth Hospital Stockholm South General Hospital Stockholm Sweden
12. Department of Clinical Science and Education Södersjukhuset Karolinska Institutet Stockholm Sweden