David Naegele1, Peggy Sekula2, Maren Paulmann1, Maja Mockenhaupt3. 1. Dokumentationszentrum schwerer Hautreaktionen (dZh), Department of Dermatology, Faculty of Medicine and Medical Center, University of Freiburg, Freiburg im Breisgau, Germany. 2. Institute of Genetic Epidemiology, Faculty of Medicine and Medical Center, University of Freiburg, Freiburg im Breisgau, Germany. 3. Dokumentationszentrum schwerer Hautreaktionen (dZh), Department of Dermatology, Faculty of Medicine and Medical Center, University of Freiburg, Freiburg im Breisgau, Germany. Electronic address: dzh@uniklinik-freiburg.de.