KJELL M. KAUNE, RADOVAN VASKO, FRANK STRUTZ, MICHAEL P. SCHÖN, UNDINE LIPPERT Department of Dermatology and Venereology, Department of Diagnostic Radiology, Department of Nephrology and Rheumatology, Georg August University, Göttingen and Department of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Dessau, Germany Accepted 26 May 2009 Correspondence to: Timo Buhl, ...