1. Haematology and Oncology Medical Faculty Mannheim Heidelberg University Mannheim Germany
2. Division of Hematology Stanford Cancer Institute/Stanford University School of Medicine Stanford CA USA
3. Institute of Pathology Ludwig‐Maximilian‐University Munich Germany
4. Institute of Pathology University Hospital SalzburgParacelsus Medical University Salzburg Austria
5. Department of Haematology Guy’s and St Thomas’ NHS Foundation Trust LondonUK
6. Wessex Regional Genetics Laboratory Salisbury UK
7. School of Medicine University of Southampton Southampton UK
8. Department of Internal Medicine I Division of Haematology and Ludwig Boltzmann Institute for Haematology and Oncology Medical University of Vienna Vienna Austria