1. Department of Dermatology, University François Rabelais, Hospital of Tours, Tours, France
2. Department of Dermatology, University François Rabelais, Hospital of Tours, Tours, France2INSERM U930, University François Rabelais, Tours, France
3. Department of Pathology, University François Rabelais, Hospital of Tours, Tours, France
4. Department of Dermatology, University François Rabelais, Hospital of Tours, Tours, France4Laboratory of Molecular Virology and Immunology, ISP 1282, INRA-University François Rabelais, Tours, France