1. Celiac Disease Research Center, Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
2. Department of Dermatology, Tampere University Hospital, Tampere, Finland
3. Heart Hospital, Tampere University Hospital, Tampere, Finland
4. Department of Gastroenterology and Alimentary Tract Surgery, Tampere University Hospital, Tampere, Finland
5. Department of Gastroenterology, Hospital Nova of Central Finland, Jyväskylä, Finland
6. Department of Internal Medicine, Tampere University Hospital, Tampere, Finland
7. Faculty of Health Sciences, Tampere University, Tampere, Finland
8. Department of Neurology, Tampere University and Tampere University Hospital, Tampere, Finland