1. Departments of Department of Dermatology AP‐HP, Henri Mondor Jospital CréteilFrance
2. Université Paris‐Est Créteil Créteil France
3. Department of Biological Haematology Hôpital Lyon‐sud Pierre‐Bénite France
4. Department of Pathology AP‐HP, Henri Mondor Jospital Créteil France