1. Division of Pediatrics; Department of Clinical and Experimental Medicine and Clinical Research Centre; Faculty of Health Science; Linköping University; Linköping Sweden
2. Unit of Autoimmunity and Immune Regulation; Division of Inflammation Medicine; Department of Clinical and Experimental Medicine; Faculty of Health Science; Linköping University; Linköping Sweden
3. Division of Obstetrics and Gynecology; Department of Clinical and Experimental Medicine; Faculty of Health Science; Linköping University; Linköping Sweden
4. Department of Obstetrics and Gynecology; Helsingborg Hospital; Helsingborg Sweden
5. Allergy Center; Department of Clinical and Experimental Medicine; Faculty of Health Science; Linköping University; Linköping Sweden