Affiliation: | (1) Department of Paediatrics, University of Graz, Auenbruggerplatz 30, A-8036 Graz, Austria;(2) Deparment of Dermatology, University of Graz, Auenbruggerplatz 30, A-8036 Graz, Austria;(3) Department of Paediatrics, University of Göttingen, Robert-Koch-Strasse 40, D-37075 Göttingen, Germany |