1. Department of Dermatology Lausanne University Hospital CHUV Lausanne Switzerland
2. Department of Dermatology UMR Inserm 1098 Besançon University Hospital University of Bourgogne Franche Comté Besançon France
3. Deparment of Pathology University Hospital Besançon France
4. Deparment of Rheumatology UMR Inserm 1098 Besançon University Hospital University of Bourgogne Franche Comté Besançon France