1. Laboratory of Human Genetics, Department of Medical Sciences and Interdisciplinary Research Center of Autoimmune Diseases (M.Go., S.M., L.C., P.M.-R., M.Gi.), University of Eastern Piedmont, 28100 Novara, Italy
2. Unit of Pediatrics, Department of Medical Sciences (A.P., S.B., F.P., G.B.), University of Eastern Piedmont, 28100 Novara, Italy
3. Department of Pediatrics (T.A.), University of Messina, 98100 Messina, Italy
4. Laboratory of Pharmacology (C.B.), Department of Medical Sciences, University of Eastern Piedmont, 28100 Novara, Italy