1. Dermatology Department Cliniques Universitaires Saint‐Luc Brussels Belgium
2. Institute of Experimental and Clinical Research (IREC), UCLouvain Brussels Belgium
3. King Albert II Cancer and Hematology Institute, Cliniques Universitaires Saint‐Luc Brussels Belgium
4. Dermatology Department, Lyon Cancer Research Center INSERM Université Lyon 1, Centre Hospitalier Lyon Sud Pierre‐Bénite France
5. Dermatology Department University Hospital Zürich Zürich Switzerland