1. Department of Dermatology, Venerology and Allergology; University Medical Center Göttingen; Göttingen; Germany
2. Department of Dermatology, Venerology, and Allergology; University Medical Center Mannheim; Mannheim; Germany
3. Department of Pediatrics; University Medical Center Göttingen; Göttingen; Germany
4. Department of Clinical Pharmacology; University Medical Center Göttingen; Göttingen; Germany
5. Department of Dermatology; Fachklinik Hornheide; Münster; Germany
6. Department of Dermatology, Venereology, and Allergology; University Clinic Saarland; Homburg; Germany