1. Celiac Disease Research Center Faculty of Medicine and Health Technology Tampere University Tampere Finland
2. Department of Internal Medicine Tampere University Hospital Tampere Finland
3. Tampere Center for Child Adolescent and Maternal Health Research Tampere University and Tampere University Hospital Tampere Finland
4. The University Consortium of Seinäjoki and Seinäjoki Central Hospital Seinäjoki Finland
5. Faculty of Social Sciences Tampere University Tampere Finland
6. Research Programs Unit, Immunobiology, and Department of Medical Genetics University of Helsinki Helsinki Finland