Autoimmune Bullous Disorders induced by Cyclin-Dependent Kinase 4/6 inhibitors – first case series from the EADV Task Force “Dermatology for Cancer Patients” - A. Ortiz Brugués; P. Sollena; M. Starace; F. Bardazzi; D. Koumaki; Z. Apalla; M. Iorizzo; C. Bost; S. Milesi; J.L. Lacaze; K. Peris; V. Sibaud (EJC Skin Cancer)