1. Tampere Center for Child Health ResearchTampere University and Department of PaediatricsTampere University HospitalTampereFinland
2. University of Helsinki and Helsinki University HospitalChildren's HospitalPediatric Research CenterHelsinkiFinland
3. Faculty of Medicine and Health TechnologyTampere UniversityTampereFinland
4. Faculty of Social SciencesTampere UniversityTampereFinland
5. Department of Internal MedicineTampere University HospitalTampereFinland
6. Celiac Disease Research CenterTampere UniversityTampereFinland
7. The University Consortium of SeinäjokiSeinäjokiFinland