1. Institute of Molecular Virology, ZMBE; University Hospital Muenster; 48149 Muenster Germany
2. Center for Biochemistry, Medical Faculty; University of Cologne; 50931 Cologne Germany
3. Institute of Immunology; University Hospital Muenster; 48149 Muenster Germany
4. Institute of Dermatology; University Hospital Muenster; 48149 Muenster Germany
5. Department of Pediatrics and Adolescent Medicine; University Hospital of Cologne; 50931 Cologne Germany
6. Department of Pediatrics, Rheumatology and Immunology; University Hospital Muenster; 48149 Muenster Germany