Department of Dermatology, CHU du Sart Tilman, University of Liège, Liège, Belgium
Patrick Collins, MD
Department of Dermatopathology, CHU du Sart Tilman, University of Liège, Liège, Belgium
Michel Reginster, MD
Department of Dermatopathology, CHU du Sart Tilman, University of Liège, Liège, Belgium
Catherine Bonvoisin, MD
Department of Nephrology, CHU du Sart Tilman, University of Liège, Liège, Belgium
Arjen Nikkels, MD, PhD
Department of Dermatology, CHU du Sart Tilman, University of Liège, Liège, Belgium; Correspondence to: Arjen Nikkels, MD, PhD, Department of Dermatology, CHU du Sart Tilman, University of Liège, Bld de l'Hôpital 1, 4000 Liège, Belgium.