1 Department of Dermatology, Lausanne University Hospital CHUV and University of Lausanne, Lausanne, Switzerland.
2 Biomedical Data Science Center, Lausanne University Hospital CHUV and University of Lausanne, Lausanne, Switzerland.
3 Department of Dermatology, Lausanne University Hospital CHUV and University of Lausanne, Lausanne, Switzerland. Electronic address: michel.gilliet@chuv.ch.