1. Department of Chemical Engineering; University of California; Santa Barbara CA USA
2. Department of Gastroenterology and Alimentary Tract Surgery; Tampere University Hospital; School of Medicine; University of Tampere; Tampere Finland
3. Department of Medicine; Seinäjoki Central Hospital; Seinäjoki Finland
4. Center for Child Health Research; University of Tampere and Tampere University Hospital; Tampere Finland
5. Laboratory of Mucosal Immunology; Departments of Medicine and Pediatrics; University of California San Diego; La Jolla CA USA