1. NIVEL; Utrecht The Netherlands
2. Deptartment of Primary and Community Care; Radboud University Nijmegen Medical Centre; Nijmegen The Netherlands
3. LVN (Dutch patient association for lymphoma cancer); Amersfoort The Netherlands
4. Deptartment of Haematology; VU University Medical Center; Amsterdam The Netherlands
5. Department of Medical Genetics; University Medical Center Utrecht; Utrecht The Netherlands
6. Department of Health Science; Buskerud University College; Drammen Norway