1. Center for Life Course Health Research University of Oulu Oulu Finland
2. Primary Health Care Center Tornio Finland
3. Arokero OY Tornio Finland
4. Macquarie University North Ryde NSW Australia
5. Priority Research Centre for Digestive Health and Neurogastroenterology Faculty of Health and Medicine University of Newcastle Newcastle Australia
6. Hunter Medical Research InstituteLot 1, Kookaburra Circuit New Lambton Heights NSW Australia
7. Division of Family Medicine and Primary Care Division of Neurobiology, Care Sciences and Society Karolinska Institutet Stockholm Sweden
8. Stress Research InstituteStockholm University Stockholm Sweden
9. Department of Medicine Solna Karolinska Institutet Stockholm Sweden