1. INSERM U905, Rouen University Hospital, Rouen 76000, France.
2. Department of Dermatology, Rouen University Hospital, Rouen 76000, France.
3. Department of Dermatology, Bichat University Hospital, Paris 75018, France.
4. Department of Dermatology, Clermont-Ferrand University Hospital, Clermont-Ferrand 63003, France.
5. Department of Pathology, Rouen University Hospital, Rouen 76000, France.
6. Department of Virology, Limoges University Hospital, Limoges 87042, France.
7. INSERM U662, Saint-Louis Hospital, Paris 75010, France.
8. INSERM U657, Department of Biostatistics, Rouen University Hospital, Rouen 76000, France.