1. Hospices Civils de Lyon, Centre Hospitalier Lyon Sud, Service d‘Hématologie, Université Lyon-1, Lyon, France;
2. St George’s University of London, London, UK;
3. Lymphoma Unit, Fundación Jiménez Díaz University Hospital, Madrid, Spain;
4. Department of Hematology, Jagiellonian University, Kraków, Poland;
5. Department of Haematology, Université de Rouen, Rouen, France