1. Department of Dermatology; Cancer Research Center of Lyon; Claude Bernard Lyon 1 University; Hospices Civils de Lyon; Lyon; France
2. Department of Haematology; Institut de Cancerologie de la Loire; Saint Priest en Jarez; France
3. Department of Haematology; CHU Bicêtre; Assistance Publique Hôpitaux de Paris; Paris; France
4. Université de Franche-Comté et CHU de Besançon; Besançon; France