2 Centre for Blood Research, Hull University Teaching Hospitals NHS Trust, Hull, UK.
3 Centre for Cancer Biomarkers (CCBIO), Department of Clinical Science, University of Bergen, Bergen, Norway.
4 Department of Medical and Molecular Genetics, Guy's and King's Hospitals, London, UK.
5 Department of Medicine, Hematology Section, Haukeland University Hospital, Bergen, Norway.
6 Centre for Blood research, University of York, York, UK.
7 Institute of Hematology and Center for Haemato-Oncological research (CREO), University of Perugia and Santa Maria della Misericordia Hospital, Perugia, Italy.