1. Barts Cancer Institute; Queen Mary University of London; London UK
2. Department of Haematology; Vall d'Hebron University Hospital; Barcelona Spain
3. U978 Institut National de la Santé et de la Recherche Médicale; Bobigny France
4. Labex Inflamex; Université Paris 13; Sorbonne Paris Cité; Bobigny France
5. Hôpital Avicenne; Assistance Publique-Hôpitaux de Paris; Bobigny France
6. Department of Haematology; Rigshospitalet; Copenhagen Denmark
7. Strategic Research Programme on CLL; IRCCS San Raffaele Hospital; Milan Italy
8. Università Vita-Salute San Raffaele; Milan Italy
9. St James' Institute of Oncology; University of Leeds; Leeds UK
10. Department of Haematology; Hospital de la Santa Creu Sant Pau; Autonomous University of Barcelona; Barcelona Spain
11. Department of Internal Medicine III; University of Ulm; Ulm Germany